Joel Madden

After years of avoiding the limelight, Harlow and Sparrow made their red carpet debut alongside their parents.

This week's top tweets include updates from Justin Bieber, Katy Perry, Rye Rye, and Steel Train, as well as many other of <em>Teen Vogue>/em>'s musical faves.

You really can't say a lot in 140 characters, but some of our favorite musicians and bands didn't even need that many for their best tweets this week. Here's a concise selection:    @andrewwkWATER is...

After a week's worth of hunting high and low on Twitter we found Sia on a sugar high, Pete Wentz getting papped and poor Hayley Williams struggling with dial-up.  Oh, and some other fun stuff too...@diploim so hungty im about...