Colombian pop star 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. Barca players went to a Shakira concert in Barcelona on Sunday to celebrate their Champions League victory. The Barca defender Pique thanked his pop star girlfriend on his Twitter account Saturday, "Champions!! Champions!! thank you so much!!" after the team's thrilling 3-1 win over Manchester United in London's Wembley Stadium. [Photo/Agencies]