Curvy tennis star Serena Williams gets her beach wiggle on... but her tiny bikini is barely fit for purpose

Serena Williams looks in great spirits as she confidently shimmies down the beach in a mis-matched bikini.

The Wimbledon tennis champion put on a little dance as she relaxed with friends in Miami today.

But the 29-year-old came close to a double fault - her strapless bikini top clearly struggled to contain her ample bosom.

Check me out: A confident Serena Williams relaxes with friends on the beach in Miami today and was spotted dancing around, appearing to be in a very cheerful mood

Getting better all the time: The tennis star is recuperating from emergency surgery in February to have a blood clot removed from her lung

Roll with it: Serena Williams busted some moves on the Miami beach

Williams has been recuperating in Miami following emergency surgery two months ago. She is recovering from an operation to remove a blood clot 'the size of a grapefruit' found in her lung in February.

More...

• Audrina Patridge sizzles in a series of bikinis on her reality show debut
• Olympic bad boy Michael Phelps laps up attention from bikini girls at Las Vegas pool party

Williams had developed a haematoma from a pulmonary embolism, stemming from an incident when she cut her foot on broken glass in a Munich restaurant last July.

And she admitted to being very down recently, having being sidelined from her sport since claiming her 13th Grand Slam title at Wimbledon last July.

'I definitely have not been happy,' she said. 'Especially when I had that second (foot) surgery, I was definitely depressed. I cried all the time. I was miserable to be around.'

Revealing: Williams wore a mis-matched bikini, but the strapless top half struggled to contain her ample bosom

Williams, who has slipped to world number 11 in her absence from the WTA Tour, is unlikely to return before the summer and admitted that the time spent on the sidelines had taken an emotional toll.

A part of her lung had 'died' from the pulmonary embolism and she has remained on blood thinning medication.

But while she hasn't been able to play tennis, she has been able to keep up with her lucrative sponsorship contracts.

A television advert featuring her curvy figure was recently released to promote Top Spin 4, a tennis game made for the Wii console.

But it is unlikely to be seen by many - the game’s maker 2K Sports rejected it because it was deemed too raunchy.

My Baywatch moment: The tennis champion emerges from the sea with her friends