And she revealed despite her professional success she is still 'confused' in her personal life, saying that love 'sucks.'
The world number one treated Oprah Winfrey to a pedicure in a special show looking at stars' dream jobs.
Despite being a multi-millionaire athlete, Serena Williams said she has been training in Florida and Los Angeles and has already logged in 200 of the 600 hours she needs to qualify as a nail technician.
'Really, when they told me about this I thought this was a joke,' said Winfrey as she introduced the segment.
But, as she worked on the talk show host's feet, Williams explained: 'When I was younger I was always obsessed with nails…
'It kind of relaxes me. I'm always watching TV and kind of wasting time not doing much.
'So I joked with my sister and I said I'm going to nail school, the whole nines, and nobody believed me.'
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Serena Williams Oops
Serena Williams Oops
Serena Williams Oops
Serena Williams Oops
Serena Williams Oops
