Cissy Houston and
Mariah Carey were at the forefront of an emotional tribute to
Whitney Houston at last night's
BET Awards. The latter kicked off the 19-minute event, recalling stories about Whitney - who tragically overdosed and died in February - and told the audience: "I miss my friend. I miss hearing her voice and laughter." Monica and
Brandy also took to the stage, singing multiple Whitney hits, while former
Waiting to Exhale ...