That's got to hurt: Naomi Campbell's billionaire boyfriend gets 'stung by jellyfish' on swish Thai holiday Last updated at 3:18 PM on 4th February 2011 She's one of the world's richest supermodels and he's a Russian billionaire - but Naomi Campbell and Vladislav Doronin's money couldn't stop nature getting in the way of a perfect holiday. The moneyed pair are having a winter break at an exclusive resort in Phuket, Thailand - but it appears Vladimir was stung by a jellyfish as he took a swim in the warm Andaman Sea. Naomi, 40, appeared to be wincing as she checked out her 48-year-old lover's back as they braved the water again and took a dip - though this time, there were wary to go in too deep for fear of tangling with tentacles again. Ouch! Naomi Campbell winces as she looks at the livid red weal on her billionaire boyfriend Vladislav Doronin's back after an apparent jellyfish sting Tentacle attack? Marks on Vladislav's back Onlookers said that Vladislav - described as the Russian Donald Trump - had vivid red weals down his right shoulder which looked like the distinctive marks left by the likes of the toxic box jelly fish. But hunky Vlad didn't seem bothered by his aquatic encounter and was unfussed about getting back in again. He's whisked away his model girlfriend for some quality time relaxing her high-profile interview with Russian leader Vladimir Putin last week. The Streatham-born beauty grilled the fearsome politician for GQ magazine but avoided tackling him on world affairs and instead dwelled upon the prime minister's fitness regime. The model, who lives with boyfriend Vladislav in Moscow and has her own very impressive figure which she showed off on the beach in Phuket, asked: 'You're in pretty good physical shape. How do you manage to keep yourself so fit?' Mr Putin, who is often photographed taking part in macho pursuits, said he did not work out as much as he should, but goes to the gym, swims every day, and 'from time to time' meets with friends and does 'extra-curricular stuff'. Beauty: The 40-year-old supermodel showed she's still in stunning shape on the beach Naomi, 40, asked how the prime minister felt about a group of students who posed in lingerie for a calendar to mark his 58th birthday. She said: 'You obviously make a great impression on women. How do you feel about the students who posed for you in the calendar?' Naomi Campbell enjoys a vacation with boyfriend Vladislav Doronin along the Adnaman Sea. Mr Putin said the 'girls in the erotic calendar were courageous' for showing open support. Naomi, who interviewed Venezuelan leader Hugo Chavez in 2008, also asked Mr Putin about his liking for extreme sports, motorbikes and bare-knuckle fighting.