Adrienne Frantz is an Emmy Award-winning American actress, best known for her role as Ambrosia "Amber" Moore on the soap opera The Bold and the Beautiful, which she now plays on The Young and the Restless. While on B&B, she also played Amber's sister, April Knight, briefly in 2003.

First breaking into the soap opera genre in 1997 as TiffanyThorne on Sunset Beach, Frantz left the show later that year for her role as the villainess turned sympathetic heroine Amber on The Bold and the Beautiful. In 2001, she won a Daytime Emmy for Outstanding Younger Actress. Frantz played the role on B&B until 2005, when she left to focus on a music career. B&B head writer Bradley Bell informed Soap Opera Digest that he would be willing to have Frantz back on B&B as Amber at some point in the future.

Outside of B&B, Frantz made a guest appearance as a pop star named Emica in the 2001 Rugrats episode, "All Growed Up," which later was the basis for the spinoff All Grown Up!. She played Claire Redfield in the commercial of Resident Evil 2, directed by George A. Romero, which was released prior to the games' release. However, the commercial was only shown in Japan. Frantz guest starred in an episode of That 70's Show, playing Fez's girlfriend. Franz later appeared in Ed Gein: The Butcher of Plainfield.

Frantz was the long time girlfriend of Johnny Rzeznik, lead singer of The Goo Goo Dolls. They broke-up in 2005.