Russian tennis star Anna Kournikova, by far the most famous tennis player never to have won a singles tournament, hit the big 3-0 today. And she looks as hot as ever. At the 1996 U.S. Open, when Anna was still a teen, the media world first took notice of her hotness. The blond bombshell quickly became a sex symbol in the sports world, and crossed over to mainstream very … [Read more...] about Anna Kournikova Celebrates 30th Birthday (Pictures)