
Megan Fox has sparked speculation that her relationship with her fiancé is on the rocks.
The Transformers actress, 22, was seen without her engagement ring this week.
But her pal, actress Jennifer Blanc, insists she's still with actor Brian Austin Green.
'She does wear it sometimes," Jennifer tells US magazine Star.
'I've never asked her why she doesn't always put it on.'
Megan, 22, and Beverly Hills 90210 star Brian, 34, have been dating since 2005.