Updated On: 22 June, 2012 09:28 AM IST | | PTI
Troubled star Lindsay Lohan's Elizabeth Taylor biopic is under investigation by two US acting labour groups after she collapsed with exhaustion last week
The 'Mean Girls' star had a health scare after she was reportedly found passed out in her California hotel suite. Lohan, 25, had later explained she was simply exhausted after "working 85 hours in 4 days" on her comeback movie 'Liz & Dick'

Lindsay Lohan