Photos: Seal & Heidi Klum kiss as they reunite for daughter's birthday

Friendly exes. Their seven year marriage ended early last year and things kinda turned nasty between them after Seal claimed Heidi cheated on him with 'the help' but it seems the parents to three children have put their differences behind them as they were spotted sharing a tender kiss this past Saturday at their daughter Lou's fourth birthday. See more photos after the cut...