The German beauty, 50, stunned in a crimson one-piece with cutouts as she arrived to judge a new series of America’s Got Talent in LA.
She appeared fully refreshed from a European getaway with husband Tom Kaulitz, mum Erna and her four teenage children.
The former Victoria’s Secret Angel joined Howie Mandel, Simon Cowell and Sofia Vergara on the AGT panel, marking a decade on the hit NBC show.
Earlier this month, she enjoyed the weather in Capri with her musician husband.
The couple returned to the island to mark their fourth wedding anniversary.
Heidi wed Tom, 33, on board a luxury boat just off the coast in 2019.
She shared a video of them kissing in Capri to mark the occasion and said: “I am so in love with you Tom.”
Recently a fashion psychologist said that Heidi’s 50th year is her most daring yet, with plenty of suggestive antics and styles.
A month after her 50th birthday, she threw on an eye-catching black and blue Jean Paul Gaultier dress with ties down the side at Paris Fashion Week.