[1] Her father Larry Nunn (1925–1974) was a painter and a former contract child actor for MGM (Men of Boys Town, The Major and the Minor).

Nunn acted in numerous television shows in the 1970s and 1980s, including Family, T.J. Hooker, Lou Grant, Vega$ and James at 15.

Her greatest success in Berlin was the top-selling 1986 single "Take My Breath Away", the theme song for the film Top Gun.

In 1985, Nunn briefly dated Michael Hutchence, whom she met at an INXS concert in London while Berlin were recording the album Count Three & Pray.

In 1991, she recorded and released a solo album entitled Moment of Truth, in association with David Z, Prince's Paisley Park producer.

[11] In 2008, Nunn contributed sex and dating advice to Carrie Borzillo-Vrenna's book Cherry Bomb.

[12][13] Nunn sang across the United States on the 2009 Regeneration Tour,[14] which also featured Martin Fry of ABC, Wang Chung, and Cutting Crew.

In 2010, Nunn appeared as a guest judge on season two of RuPaul's Drag Race, mentoring the contestants in a rock-themed singing challenge.

They stated that it was outrageous to perform at a Trump-owned resort, and that his blatant disregard for mask mandates should have been taken into account and should have been grounds for her to refuse playing the show.