Beyoncé isnt attending the Grammys, I dont think, since she just had her baby? I dont know. So we have
Jennifer Hudson: Another Clive Davis girl, idol was Whitney, Whitney loved her and presented her the Grammy for Best R&B Album in 2009, and JHud sang to Whitney at BET honors.
Kelly Clarkson: Another powerhouse, looked up to Whitney Houston.
Carrie Underwood: Another idol alumni, big vocals, looked up to Whitney too.
Mariah Carey: A friend to Whitney, changed music together.
I feel like Jordin Sparks should be an option. Whitney Houston's last major project was, "Sparkle" with Jordin Sparks, as a supporting actress in the film.