Gaga, 34, kicked off the appearance by performing “911” from her recently dropped album, Chromatica. She was then joined by Grande, 27, to complete their first live rendition of their upbeat ...

There are a lot of firsts here. Who runs the Billboard chart world? Women -- for this week, at least. Lady Gaga and Ariana Grande's collaboration, "Rain on Me," has debuted at No. 1 on the Billboard ...

In The Number Ones, I’m reviewing every single #1 single in the history of the Billboard Hot 100, starting with the chart’s beginning, in 1958, and working my way up into the present. Book Bonus Beat: ...

International pop star Lady Gaga will wrap her current Mayhem Ball tour with two nights in St. Paul on April 9 and 10 at Grand Casino Arena, the venue formerly known as Xcel Energy Center.

When it comes to live performances this year, I’ve taken in more than my fair share. I’m talking big Broadway musicals (Gypsy, Smash, Operation Mincemeat), buzzy concerts featuring major divas (Kylie, ...