Shakira performs at a concert

Colombia's star singer Shakira and her boyfriend, FC Barcelona's Gerard Pique, during 'The Sun Comes Out World Tour' concert in Barcelona, Spain, on May 29, 2011. (AP/Emilio Morenatti)

Shakira with beau Gerard Pique during 'The Sun Comes Out World Tour' concert in Barcelona, Spain, on May 29, 2011. (AP/Emilio Morenatti)

Singer Shakira (R) embraces her boyfriend, Barcelona's player Gerard Pique during her concert in Barcelona May 29, 2011. Barcelona celebrated their Champions League final win against Manchester United on the streets of Barcelona. (Reuters/Gustau Nacarino)

Shakira with her boyfriend Gerard Pique during her concert in Barcelona on May 29, 2011. (Reuters/Gustau Nacarino)

Shakira speaks with her boyfriend Gerard Pique during 'The Sun Comes Out World Tour' concert in Barcelona, Spain, on May 29, 2011. (AP/Emilio Morenatti)

Colombia's star singer Shakira performs with FC Barcelona's Gerard Pique during 'The Sun Comes Out World Tour' concert in Barcelona, Spain, on May 29, 2011. (AP/Emilio Morenatti)

Shakira embraces her boyfriend, Barcelona's defender Gerard Pique, as she performs during her concert as part of 'The Sun Comes Out World Tour' in Barcelona on May 29, 2011. (Reuters/Gustau Nacarino)

Barcelona's defender Gerard Pique takes part in a concert of his girlfriend Colombian singer Shakira on May 29, 2011 at the Olympic stadium in Barcelona a day after the team won the UEFA Champions League final football match against Manchester United. (AFP/Lluis Gene)

Singer Shakira (L) dances in front of her boyfriend, Barcelona's player Gerard Pique, during her concert in Barcelona May 29, 2011. (Reuters/Gustau Nacarino)

Shakira dances with her boyfriend Gerard Pique, and his teammates during her concert as part of 'The Sun Comes Out World Tour', at Lluis Companys Olympic stadium in Barcelona, on May 29, 2011. (Reuters/Gustau Nacarino)

Colombian singer Shakira performs on at the Olympic stadium in Barcelona. (AFP/Lluis Gene)

Shakira dances with her boyfriend Gerard Pique, and his teammates during her concert as part of 'The Sun Comes Out World Tour', at Lluis Companys Olympic stadium in Barcelona, May 29, 2011. (Reuters/Gustau Nacarino)

Colombian singer Shakira performs at the Olympic stadium in Barcelona. (AFP/Lluis Gene)

Colombian pop star Shakira performs during her concert as part of 'The Sun Comes Out World Tour' in Barcelona on May 29, 2011. (Reuters/Gustau Nacarino)

Singer Shakira (L) dances in front of her boyfriend, Barcelona's player Gerard Pique (2nd L) and his teammates during her concert in Barcelona May 29, 2011. Barcelona celebrated their Champions League final win against Manchester United on the streets of Barcelona. (Reuters/Gustau Nacarino)

Colombian singer Shakira performs at the Olympic stadium in Barcelona. (AFP/Lluis Gene)

Colombia's star singer Shakira performs during 'The Sun Comes Out World Tour' concert in Barcelona, Spain, on May 29, 2011. (AP/Emilio Morenatti)

Colombian pop star Shakira performs during her concert as part of 'The Sun Comes Out World Tour' in Barcelona on May 29, 2011. (Reuters/Gustau Nacarino)