Los Angeles, Aug 19 - Hollywood actress Lindsay Lohan sparked rumours that she has had a lip job when she appeared at the New York premiere of 'Inglourious Basterds' with a plumper smile than usual.

The lips appeared to have been given a bit of a boost. The apparent surgery is the latest step in newly-blonde Lindsay's image overhaul as she attempts to get her acting career back on track, reported thesun.co.uk.

Lohan is currently filming new movie 'Machete'.