Kesha

The collaboration we never knew we needed.

See what Katy had to say.

A judge ruled the singer defamed her producer in a text message to Lady Gaga.

Check out some of the most ~cringeworthy~ celebrity moments ever.

Lady Gaga defended Kesha against Dr. Luke's lawyer in an unsealed deposition.

Lady Gaga is finally addressing nasty texts sent between she and Kesha.

The band The Struts will join the singer for a performance at Ocean Resort.

More, Dr. Luke's team claims Kesha's management conspired to 'ruin' him.

Her lawyer reportedly filed an emergency motion to keep her testimony sealed.

Taylor Swift, Lady Gaga, One Direction and more have all released hits that sound a lot like...well, other hits.

Gaga and Perry had previously — and mysteriously — gotten sucked into the case in early 2017.

From Kesha to Queen B, see the celebrities who took a reality detour pre-fame.