It's a night of music Tuesday night on CW28 as Katy Perry and Lady Gaga have their iHeartRadio Album Release Parties! Watch them starting at 8pm!
First at 8pm, watch a live performance with Katy Perry and her Q&A with Mario Lopez.
Then at 9pm, don't miss Lady Gaga's flying dress and behind-the-scenes moments.
Click here for a special sneak preview.