!! OMG, WATCH: Melanie C surprises London audience, joins Olly Alexander onstage for ‘2 Become 1’ and ‘Baby When You’re Gone’ !!

Sporty joined Olly onstage at London’s Union Chapel, where Olly performed to celebrate homelessness charity Shelter’s 50th birthday. Check out their nostalgia filled performance above! That boy seems like he has died and gone to gay pop heaven!