Lady Gaga

Singers like Lady Gaga, Katy Perry and Miley Cyrus all put on amazing performances, complete with out-of-this-world outfits!

It looks like that Denver air was just too much for Lady Gaga, who was hospitalized for altitude sickness after performing in Colorado.

Here's the first video from the album 'Cheek to Cheek' from Lady Gaga and Tony Bennett's album 'Anything Goes'.

See Lady Gaga step out onto the streets of New York City in an '80s-inspired outfit.

Lady Gaga posts a beautiful makeup-free selfie photo for her fans.

Ever wondered just how many different notes your favorite pop artists can hit? Well, ConcertHotels compiled an entire list of singers across the board -- from pop to country to rock to rap and more -- and figured out their vocal range based on all of their studio material. Where do Justin Bieber, Miley Cyrus, Lady Gaga and more fit in? Read on to find out.

Little Monsters go hard! Lady Gaga continued her reign as the Top 10 Video Countdown champ, with her video for 'G.U.Y.' once again claiming the top spot. Hot Chelle Rae and One Direction weren't too far behind, with HCR's 'Don't Say Goodnight' landing the No. 2 spot and One Direction's 'You and I' video coming in at No. 3.

Happy weekend, PopCrushers! We're here to kick your weekend off right with the eighth installment of the PopCrush Mini-Mix. PopCrush Mini-Mix 8 features an eclectic selection of artists, including remixed hits from Ed Sheeran, Paramore, Lady Gaga and more.

Lady Gaga is getting ready to hit the road on her massive artRAVE tour, but that hasn't stopped her from expanding her family. The Mother Monster has gotten herself a new pooch.

We've all been there before: you're blasting the car radio with the windows down, singing the lyrics to a song you've heard dozens of times, only to have your friend sitting next to you say, "Umm, those aren't the lyrics. Your lyrics don't even make sense!" So which song lyrics are most commonly confused with alternate phrases? (Example: Elton John's "Hold me closer, tiny dancer&quo