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Margot Robbie celebrates her pal Cara Delevingne's 30th birthday at a yacht party in Spain

Margot Robbie celebrated her boyfriend Cara Delevingne’s 30th birthday in style on Friday while enjoying a lavish yacht party in Formentera.

The actress, 32, was seen taking a dip in the water with her friends as they partied on the chic liner docked on the Spanish coast.

It comes a day after Margot was seen dining out with Cara and actress Sienna Miller as the model prepared to celebrate hitting the big 3-0.

There she is!  Margot Robbie celebrated her boyfriend Cara Delevingne's 30th birthday in style on Friday as she enjoyed a lavish yacht party in Formentera

There she is! Margot Robbie celebrated her boyfriend Cara Delevingne’s 30th birthday in style on Friday as she enjoyed a lavish yacht party in Formentera

Margot swam in the crystal clear ocean before leaning on a surfboard while chatting with her friends.

The Oscar nominee later emerged from the water wearing a white and blue mismatched bikini before rinsing off with a shower.

Margot was one of Cara’s many famous friends who attended the party, including Sienna Miller, who showed off her toned and tanned physique in a tiny chocolate brown bikini as she soaked up the sun at the boat party.

The actress opted for a natural makeup look under stylish sunglasses, while accessorizing with dainty gold jewelry.

Enjoy the sun?  The actress was seen taking a dip in the water with her friends as they partied on the chic liner docked on the Spanish coast

Enjoy the sun?  The actress was seen taking a dip in the water with her friends as they partied on the chic liner docked on the Spanish coast

Enjoy the sun? The actress was seen taking a dip in the water with her friends as they partied on the chic liner docked on the Spanish coast

Time for a party!  Margot was seen enjoying a swim in the crystal clear ocean before leaning on a surfboard chatting with her friends

Time for a party!  Margot was seen enjoying a swim in the crystal clear ocean before leaning on a surfboard chatting with her friends

Time for a party! Margot was seen enjoying a swim in the crystal clear ocean before leaning on a surfboard chatting with her friends

Keeping cool: The Oscar nominee later emerged from the water wearing a white and blue mismatched bikini before rinsing off with a shower

Keeping cool: The Oscar nominee later emerged from the water wearing a white and blue mismatched bikini before rinsing off with a shower

Keeping cool: The Oscar nominee later emerged from the water wearing a white and blue mismatched bikini before rinsing off with a shower

Stunning: Margot was one of Cara's many celebrity friends who attended the party, including Sienna Miller, who showed off her toned physique in a tiny chocolate brown bikini

Stunning: Margot was one of Cara's many celebrity friends who attended the party, including Sienna Miller, who showed off her toned physique in a tiny chocolate brown bikini

Stunning: Margot was one of Cara’s many celebrity friends who attended the party, including Sienna Miller, who showed off her toned physique in a tiny chocolate brown bikini

Sienna styled her short blonde locks in loose waves before rocking the wet hair after taking a dip in the sea.

Not only did the actress show off her figure, but also showcased her impressive diving skills when she was spotted in the water.

Cara let her hair down as she donned a deep blue swimsuit and immersed herself in what appeared to be a bowl of frosting during the fun parties at sea.

Stunning: The actress opted for a natural makeup look under stylish sunglasses, while accessorizing with dainty gold jewelry

Stunning: The actress opted for a natural makeup look under stylish sunglasses, while accessorizing with dainty gold jewelry

Stunning: The actress opted for a natural makeup look under stylish sunglasses, while accessorizing with dainty gold jewelry

Wow!  She showed off her toned and tanned physique in a tiny chocolate brown bikini as she soaked up the sun at the boat party

Wow!  She showed off her toned and tanned physique in a tiny chocolate brown bikini as she soaked up the sun at the boat party

Fun in the sun: Sienna climbed out of the water and back on the boat

Fun in the sun: Sienna climbed out of the water and back on the boat

Wow! She showed off her toned and tanned physique in a tiny chocolate brown bikini as she soaked up the sun at the boat party

Beauty: Sienna styled her short blonde locks in loose waves before rocking the wet hair after taking a dip in the sea

Beauty: Sienna styled her short blonde locks in loose waves before rocking the wet hair after taking a dip in the sea

Beauty: Sienna styled her short blonde locks in loose waves before rocking the wet hair after taking a dip in the sea

Looks good: she then grabbed a towel to dry off after cooling off in the ocean

Looks good: she then grabbed a towel to dry off after cooling off in the ocean

Looks good: she then grabbed a towel to dry off after cooling off in the ocean

Watch her go!  The actress not only showed off her figure, but also showed off her impressive diving skills when she was seen in the water

Watch her go!  The actress not only showed off her figure, but also showed off her impressive diving skills when she was seen in the water

Watch her go! The actress not only showed off her figure, but also showed off her impressive diving skills when she was seen in the water

Mother: Sienna has a daughter, Marlowe, nine, with her actor ex Tom Sturridge, 36, with whom she dated for four years between 2011 and 2015.

Mother: Sienna has a daughter, Marlowe, nine, with her actor ex Tom Sturridge, 36, with whom she dated for four years between 2011 and 2015.

Mother: Sienna has a daughter, Marlowe, nine, with her actor ex Tom Sturridge, 36, with whom she dated for four years between 2011 and 2015.

Cara showed off her model figure in the swimwear, which she paired with small jeans with black patches on the back.

The birthday girl seemed to be having the best time as she spread frosting over her lips and playfully tried to rub it on her friend Adwoa Aboah.

Cara found herself in good company with her celebrity friends during the trip when Margot Robbie, 32, cooled off during a refreshing swim in the Mediterranean.

Celebrations: Cara Delevingne ushered in her 30th birthday in style on Friday when she joined a plethora of A-list friends on a lavish hunting trip to Formentera, Spain, with the star hiding in icing

Celebrations: Cara Delevingne ushered in her 30th birthday in style on Friday when she joined a plethora of A-list friends on a lavish hunting trip to Formentera, Spain, with the star hiding in icing

Fun times: The model definitely let her hair down as she slipped into a deep blue swimsuit and slipped into what looked like a bowl of frosting during the fun parties at sea

Fun times: The model definitely let her hair down as she slipped into a deep blue swimsuit and slipped into what looked like a bowl of frosting during the fun parties at sea

Celebrations: Cara Delevingne ushered in her 30th birthday in style on Friday when she joined a plethora of A-list friends on a lavish hunting trip to Formentera, Spain, with the star hiding in icing

The actress – who is 15 years older than Oli – confirmed the couple’s romance when she stepped out with the fashion model during a match at New York Knicks in February.

Rising star Oli was the face of a Burberry 2018 campaign and has also modeled for high street retailer GAP.

Although he is also an actor and comes from one of the most prestigious families of the British art world – as his grandfather Richard Green owns two galleries in Mayfair.

Sienna has a daughter, Marlowe, nine, with her actor ex Tom Sturridge, 36, with whom she dated for four years between 2011 and 2015.

Loved up: The actress - who is 15 years older than Oli - confirmed the couple's romance when she stepped out with the fashion model in February (pictured in May)

Loved up: The actress - who is 15 years older than Oli - confirmed the couple's romance when she stepped out with the fashion model in February (pictured in May)

Loved up: The actress – who is 15 years older than Oli – confirmed the couple’s romance when she stepped out with the fashion model in February (pictured in May)

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