Trey Songz - Must Be Love (Cassie's Cover)

One of my favourite R&B male artists,Trey Songz did a cover of Cassie's first single,Must Be Love.I don't know how to judge this.Can't really decide.So it's up to you readers to decide which is better.Here's the song.

Trey Songz - Must Be Love
Link:
http://www.zshare.net/audio/61027919102175bb/

Which is better,Cassie or Trey Songz?I think Cassie did it better.LOL!