Video: Rod Stewart tears up after Celtic's shock win over Barcelona

British singer Rod Stewart was overcome with emotion while watching Celtic claim a famous victory over Barcelona in the Champions League last night.

The Scottish Premier League champions clung on to a 2-1 lead over the Spanish giants to win at Celtic Park.

Stewart was in attendance and cameras caught the 67-year-old weeping and dabbing his eyes with tissues while the fans and players celebrated on the full-time whistle.

Watch Stewart get emotional below: