Katy Perry, Christina Aguilera, and Lea Michele Star in the Latest Fashion Collision (VIDEO)
They're just some of music's big stars involved in the latest installment of Fashion Collision -- where music and fashion meet.
Each week, we'll be rounding up your favorite music-makers at the intersection of music and style to bring you the lowdown on their fashion choices -- the good, the bad, and the ugly.
And last week, we saw all three from some of music's hottest talent, including on-again-off-again Mayer and Perry, Glee's musically-inclined Michele, and more.
For a look at which stars hit the right note -- and which were off-pitch, watch this week's episode.
Who do you think were the week's style rock stars? Tell us your picks.
Catch another episode of Fashion Collision in the video below.