Amanda Bynes calls Zac Efron `ugly face` on Twitter

Updated: Jun 28, 2013, 12:52 PM IST

London: Amanda Bynes has attacked her former `Hairspray` co-star Zac Efron on Twitter and branded him an `ugly face`.

The troubled actress later deleted the erratic post, the Mirror reported.

The star has also called Rihanna, Drake, Jay-Z and Miley Cyrus `ugly` in her tweets.