[1] She's also part of the supergroup Summer Moon composed of Nikolai Fraiture (The Strokes), Stephen Perkins (Jane's Addiction), and Noah Harmon (Airborne Toxic Event), and plays keyboards for Minke.

She has also worked with Dr. Dre, Busta Rhymes, Big Black Delta, Tricky, Linda Perry, Kanye West, Melissa Auf der Maur, Hans Zimmer, Kelly Osbourne,[2] On May 6, 2023, it was announced on Morrissey's website that Grey would join his band for tours of Israel, Ireland, and England.

Her work includes the soundtracks to Something's Gotta Give, Dirty Dancing: Havana Nights, Catwoman, and the television show Nip/Tuck.

After meeting at a party, Grey began working with Leisha Hailey (actress on The L Word and former member of 1990s group The Murmurs) on songs which would be released in 2007 on the EP I See Red.

On December 15, 2016, Uh Huh Her announced on their official Facebook page that they were taking a hiatus, with Grey joining another indie band called Summer Moon.

A flight attendant approached the couple, after receiving a passenger complaint about them kissing, and stated it was a "family airline", and asked them to stop.