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Peter fought off illness to perform for David Schwimmer and his wife.
The Insania singer sung for the former Friends star and his wife Zoe Buckman after they renewed their wedding vows last month.
The pair decided to say 'I do' again following the birth of their daughter Cleo earlier this year.
The couple asked Andre to sing at the ceremony in London, as Zoe is a big fan of his music, but Peter recently revealed he almost axed the gig because of damage to his vocal chords.
He also revealed that the pair danced to his hit single Mysterious Girl and that himself and David have become friends.