Fans of Katy Perry and Lady Gaga are describing it as 'Roar vs Applause' all over again. The two fan-favorite singers ...

Lady Gaga and Katy Perry have lots of love for each other. The "A Star Is Born" leading lady took to Twitter on Friday to address legal documents obtained by The Blast, which included alleged 2016 ...

Katy Perry was spotted in the crowd at Lady Gaga's concert in Mexico City, a day after Perry's own performance. Perry shared a sweet message for Gaga.

Katy Perry supported Lady Gaga at her Mexico City concert on Sunday, April 27, days after Perry launched her Lifetimes Tour.

Katy Perry is singing the praises of fellow pop superstar Lady Gaga after catching her brand new tour.. The "Firework" singer took to her Instagram Stories on Monday (April 28) to share some of ...

Katy Perry and Lady Gaga. Friends? Rivals? Maybe the only time these pop divas have been mentioned in the same sentence recently is when Perry went to see Gaga’s Mexico City concert in April.

On her Instagram, Perry shared clips of Gaga's "Abracadabra" performance, along with a clip of herself dancing to the song with Glucksman and Hudson.(Hudson and Perry co-wrote "Dark Horse," "Swish ...

When you hear that Lady Gaga is releasing a single the same time as Katy Perry, it’s safe to say that no one is going to compare two singles more intensely.Lady Gaga is a queen of the night in ...

Fans of Katy Perry and Lady Gaga are describing it as 'Roar vs Applause' all over again. The two fan-favorite singers released their respective singles in August 2013, igniting a notable pop ...