and Rosie Huntington-Whiteley
were among the attendees at the 2012 Vanity Fair Oscar Party at Sunset Tower in West Hollywood on Sunday night (February 26).
While action hero Jason looked tailored and tough in his tuxedo, supermodel Rosie flaunted her perfect physique in an unforgiving red number.
Meanwhile, Jason and Rosie have denied rumours that they're engaged.
The couple, who are known to have been dating since ...