Nastia Liukin
Anastasia "Nastia" Liukin (; Russian: Анастасия Валерьевна Люкина, IPA: [ˈlʲʉkʲɪnə]; born October 30, 1989) is a Russian-American former artistic gymnast. She is the 2008 Olympic all-around champion, a five-time Olympic medalist, the 2005 and 2007 World champion on the balance beam, and the 2005 World champion on the uneven bars.