Los Angeles, Aug 16 (IANS): Actors Bruce Willis and Demi Moore's youngest daughter Tallulah, 20, was reportedly given an "ultimatum" to check into rehab.

Tallulah, who recently admitted she "struggled" with body dysmorphia and an eating disorder when she was younger, is said to have entered The Meadows facility in Arizona late last month after her famous parents insisted that she seeks help for her rumoured cocaine and alcohol abuse, reports femalefirst.co.uk.

"Tallulah was pretty much given an ultimatum. Her parents were about to take away everything from her," said a source.

The 20-year-old was "adversely affected" by her parents' divorce and another source claimed that Tallulah struggled when Moore checked into rehab for "stress and exhaustion" in 2012.

"When Demi was hospitalised, Tallulah didn't show up to school for days because she was too embarrassed. She was very open about Demi's issues and would sort of imply, 'Of course I have issues too, look at my mom.'," said the source.

Willis and Moore also have daughters Scout, 23, and Rumer, 25. And both the actors reportedly have different stances on their youngest child's issues.

"If Bruce suspected that Tallulah had any kind of substance abuse problem, he would have demanded for her to get help. Demi's take is that Tallulah is still very young and trying to find herself," the source told People magazine.

The duo split in 1998 after 11 years of marriage.