Jelena Ristic and 7 Other Hot Athletes' Girlfriends and Wives [PHOTOS]

When Serbian tennis player Novak Djokovic defeated Rafael Nadal at the 2012 Australian Open, the star was greeted by cheers from a beautiful, familiar face, his girlfriend Jelena Ristic.

Ristic and Djokovic have been dating for more than five years and met through mutual friends in Serbia. Like many tennis girlfriends and wives, Ristic follows Djokovic on tour and attends all of his games. 

"I'm really proud. It's his dream to be so successful and I'm really happy for him that he managed to, you know, accomplish at least part of his dream," Ristic said. "Hopefully I'll be there to help him and to see him achieving the biggest one, the top." 

Like Djokovic, many athletes have beautiful wives and girlfriends behind the scenes cheering them on. From New England Patriots quarterback Tom Brady's model wife Gisele Bundchen to Jay Cutler's belle Kristin Cavallari, athletes often have sexy, smart and successful girlfriends and wives. 

Take a look at some of the hottest athletes' wives including Jelena Ristic, Kim Sears, Gisele Bundchen, Gabrielle Union, Kristin Cavallari, Brooklyn Decker, Irina Shayk and Carmella DeCesare. 

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Serbian tennis player Novak Djokovic and his girlfriend Jelena Ristic have been dating since the end of 2005. Ristic often accompanies Djokovic to crucial matches to cheer on her beau.

Kim Sears, girlfriend of Andy Murray of Britain, watches his men's singles semi-final match against Novak Djokovic of Serbia at the Australian Open tennis tournament in Melbourne on Jan. 27, 2012. Sears and Murray have been in a relationship for over five years and Sears regularly attends his matches. The couple took a brief break in 2009, but reconciled in 2010.

Gisele Bundchen is not gearing up for New York Fashion Week. Instead, she is gearing up to be the good wife. Gisele will fly to Indianapolis to be by husband Tom Brady's side for Super Bowl 2012.

Gabrielle Union, 39, is an American actress and model. She is best known for her role as the lead cheerleader opposite Kirsten Dunst in "Bring It On." Union and D-Wade were featured on the February 2012 cover of Essence magazine. The pair has been together for three years. Wade was previously married to Siovaughn Funches and has two sons, Zaire, 9, and Zion, 3, from the marriage. Union was married to NFL star Chris Howard from 2001 to 2006.

"The Hills" star Kristin Cavallari, 25, is delaying her wedding to Chicago Bears quarterback Jay Cutler, 28. But although the couple has already broken off their engagement once, Cavallari insists their relationship isn't the problem: it's that she doesn't want to try on wedding dresses when she's pregnant.

Brooklyn Decker is an American fashion model and actress best known for her appearances in the Sports Illustrated swimsuit Issue and working for Victoria's Secret. Decker has been married to Andy Roddick since April 2009. The pair started dating in 2007 and announced their engagement in March 2008. Decker is often spotted watching Roddick's important tennis matches.

Irina Shayk is a Russian model known best for her 2007 through 2011 appearances in the Sports Illustrated Swimsuit issues. Shayk has been dating soccer player Cristiano Ronaldo since the spring of 2010. The duo allegedly met through their Armani Exchange campaigns.

Carmella DeCesare is an American model of Italian and Puerto Rican descent. The beauty is best known for as Playboy magazine's Miss April 2003 and 2004 Playmate of the Year. She was also featured in the 2008 Sports Illustrated Swimsuit Issue for the player's wives feature. DeCesare married then-NFL quarterback Jeff Garcia in April 2007. The pair have three children together.