AceShowbiz -

Alexa Chung went topless during a yacht trip with her friends around the Balearic Islands on Wednesday, August 17. The British model ditched her bikini top before swimming in the sea with her pal Pixie Geldof.

In some photos obtained by Mail Online, Alexa was seen wearing a grey high-waist bikini while Pixie donned a blue one. Alexander Skarsgard's girlfriend casually lowered herself down the rear of the boat into the sea before going for a swim.

Alexa shared on Instagram a photo, taken by Pixie, showing her swimming naked. The 32-year-old model put on a white shirt and colorful pants after returning to the yacht.

@pixiegeldof

A photo posted by Alexa (@alexachung) on Aug 16, 2016 at 11:27am PDT

Original pirate material.

A photo posted by Alexa (@alexachung) on Aug 17, 2016 at 9:44am PDT

@pixiegeldof

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A photo posted by Alexa (@alexachung) on Aug 18, 2016 at 6:07am PDT

The group, who celebrated Nick Grimshaw's 32nd birthday in Majorca on Sunday, August 14, continued their boat trip on Thursday. Alexa posted two videos from their fun outing on the photo sharing site.

Doughnut Olympics.

A video posted by Alexa (@alexachung) on Aug 18, 2016 at 12:21pm PDT

I am CHUNGALEXA on snapchat for all your sports commentary needs.

A video posted by Alexa (@alexachung) on Aug 18, 2016 at 12:22pm PDT