Lindsay Lohan looks set to star in Lady Gaga's new music promo.

The controversial actress recently hung out with the pop star in Hollywood, where it's thought they discussed business. It's believed that Lindsay will make an appearance in Gaga's upcoming video, which is for a track taken from her new album ARTPOP.

"Lady Gaga and Lindsay caused a stir last month when they had their sleepover' at the Chateau Marmont," a Hollywood insider revealed to the New York Post. "And now it turns out that Lindsay will be starring in Gaga's new video from her upcoming album."

The role Lindsay will play in the video is not yet known. The 26-year-old troubled star has been trying to reinvent her acting career lately, having starred as Dame Elizabeth Taylor in the movie Liz & Dick.

"Due to Gaga's superstar status, this would be Lindsay's biggest role by far in many, many years," the source said.

Lindsay hinted she would be teaming up with Gaga shortly after their evening at the Chateau Marmont. She took to Twitter to tell her pal how much fun she'd had.

"@ladygaga cannot wait to work together Bella!!! (sic)"