Barcelona defender booed by Real Madrid fans (video)

Barcelona defender Gerard Pique seems to have irked Real Madrid fans with his jibe at their hero Cristiano Ronaldo.

While celebrating their UEFA Champions League victory last weekend, Pique made mocked Ronaldo for celebrating his brithday after Real Madrid's 4-0 defeat to Atletico Madrid in January.

"Thanks to the staff, to the team-mates... and to ," Pique said.

Kevin Roldan is the Colombian singer' that performed at Ronaldo's birthday on the same day Madrid lost 4-0 to Atletico Madrid.

Real Madrid fans booed the Pique as he stepped off the team bus and later at the open training session with Spain in the capital city.

Watch video below: