"Not My Ex" is a song by songwriter Jessie J. It was released on October 13, 2017 on UCA Records. "Not My Ex" is from the album Think About That.

In September 15, 2017, after releasing the album Think About That. Songwriter Pardon Chuck wrote the new song "Not My Ex" from the album, Think About That, which was released on September 14, 2017.

The music video of "Not My Ex" was directed by Pardon Chuck. It was filmed at Nokia Theater in Los Angeles, California.

"Not My Ex" is a song by songwriter Snoop Dogg. It was released on June 11, 2018 from the album, Burning Up, which was release on February 13, 2018.

"Not My Ex" was directed by Chamalate Sunchon. It was filmed on April 15-16, 2018 at the beach in Santa Monica, California.