Robert Pattinson has reportedly been spied out on the town once again with rumoured new flame Dylan Penn.

According to E! News, the former Twilight hunk and Penn both attended a private party celebrating the launch of Angie Banicki's new book 30 Before 30 on Wednesday evening (November 6).

The twosome are said to have spent the night mingling with a small group of pals at the event, held at the Roosevelt Hotel in Los Angeles.

An insider tells E! that while the pair were friendly they steered clear of any PDA during the party, and there were plenty of other ladies in attendance who "were all flirting" with R-Pattz.

Rumours of a romance blossoming between Rob and Dylan - who is the daughter of actors Sean Penn and Robin Wright - first [uuid=9e148021-ea98-415a-b584-3c0591d138d1]surfaced back in September[/uuid].

Pattinson was [uuid=4fce2053-3746-4f60-b588-80091b5eeee5]recently photographed catching up with his ex Kristen Stewart[/uuid], but a source tells E! the meeting was purely platonic as both stars have "moved on and gradually gotten over" their split.