Rafael Nadal's Girl Friend vs Novak Djokovic's Girl Friend: Who's Hotter? [PHOTOS]

Maria Francisca Perello, the girlfriend of Rafael Nadal of Spain, sits on Centre Court for Nadal039s match against Juan Martin Del Potro of Argentina at the Wimbledon tennis championships in London
Maria Francisca Perello, the girlfriend of Rafael Nadal of Spain, sits on Centre Court for Nadal's match against Juan Martin Del Potro of Argentina at the Wimbledon tennis championships in London June 27, 2011. Reuters
The mother of Rafael Nadal of Spain, his sister and his girlfriend sit on Centre Court for Nadal039s match against Novak Djokovic of Serbia at the Wimbledon tennis championships in London
The mother of Rafael Nadal of Spain, Ana Maria Parera (L), his sister Maria Isabel Nadal (R) and his girlfriend, Maria Francisca Perello, sit on Centre Court for Nadal's men's singles final match against Novak Djokovic of Serbia at the Wimbledon tennis championships in London July 3, 2011. Reuters
The mother of Rafael Nadal of Spain, his sister and his girlfriend arrive on Centre Court for Nadal039s match against Novak Djokovic of Serbia at the Wimbledon tennis championships in London
The mother of Rafael Nadal of Spain, Ana Maria Parera (FRONT), his sister Maria Isabel Nadal (C) and his girlfriend, Maria Francisca Perello, arrive on Centre Court for Nadal's men's singles final match against Novak Djokovic of Serbia at the Wimbledon tennis championships in London July 3, 2011. Reuters
Jelena Ristic, the girlfiend of Novak Djokovic of Serbia, reacts after Djokovic defeated Rafael Nadal of Spain in the men039s singles final match at the Wimbledon tennis championships in London
Jelena Ristic, the girlfiend of Novak Djokovic of Serbia, reacts after Djokovic defeated Rafael Nadal of Spain in the men's singles final match at the Wimbledon tennis championships in London July 3, 2011. Reuters
Jelena Ristic, the girlfriend of Novak Djokovic of Serbia, watches the match between Djokovic and Jeremy Chardy of France at the Wimbledon tennis championships in London
Jelena Ristic, the girlfriend of Novak Djokovic of Serbia, watches the match between Djokovic and Jeremy Chardy of France at the Wimbledon tennis championships in London June 21, 2011. Reuters
Maria Francisca Perello, the girlfriend of Rafael Nadal of Spain, leaves Court 1 after Nadal defeated Mardy Fish of the U.S. in their quarter-final match at the Wimbledon tennis championships in London
Maria Francisca Perello, the girlfriend of Rafael Nadal of Spain, leaves Court 1 after Nadal defeated Mardy Fish of the U.S. in their quarter-final match at the Wimbledon tennis championships in London June 29, 2011. Reuters
Girlfriend of Nadal, Maria Perello, watches match between Nadal and Davydenko during final match in Doha
Maria Francisca Perello, girlfriend of Spain's Rafael Nadal, watches the match between Nadal and Russia's Nikolay Davydenko during their final match at the ATP Qatar Open tennis tournament in Doha January 9, 2010. Reuters
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