HLN Host of Showbiz Tonight - A.J. Hammer

A.J. Hammer is the host of HLN's evening show, Showbiz Tonight. He is based in CNN's New York bureau. Hammer also serves as an entertainment correspondent for CNN, hosting the network's daily entertainment reports.

Hammer joined HLN in 2005 after hosting Court TV's crime and justice entertainment show, Hollywood Heat. Hammer began his career at WNBC Radio in New York City at the age of 15 and has covered the entertainment industry for more than 20 years.

As one of VH1's most recognizable personalities, Hammer hosted the network's Top Ten Countdown, special events and live awards show coverage as well as a daily music and entertainment show. His radio career includes longtime stints at New York City's Z100 and WPLJ as well as Sirius Satellite Radio. Hammer has also served as a special correspondent for EXTRA and as an entertainment correspondent for Good Day New York.

Since 1992, Hammer has worked as a volunteer with families in the New York City area affected by HIV and AIDS.

He graduated with a degree in philosophy from the University of Hartford.