The shot shows the type of physique that only an athlete who is willing to spend countless hours on the court or in the gym can expect to be able to obtain.
To answer your question, flab is why I think it looks untoned, but given her age I'm inclinded to conclude that it's babyfat.
Fun Fact: Anna Kournikova's best singles Grand Slam performance came in 1997 when she made it to the semifinal round at Wimbledon.
The young tennis star looks radiant in her white see through top and dress like bottoms.
Fun Fact: Anna Kournikova appeared on Season 12 of the hit reality television show The Biggest Loser.
The shot helps prove that there is no such thing as too many Anna Kournikova bikini pictures.