Hollywood heartthrob Robert Pattinson is not doing a cameo appearance in the season finale of the TV show 'Entourage'.

A source close to Pattinson insists that the report is 'not true'. A production source has also confirmed 'he's not' on the show, and had 'no clue' as to how the rumor started,' reports aceshowbiz.com.

However, singers Christina Aguilera and Eminem have been confirmed by HBO to appear on the finale.