Both girls began acting in the 1989 with an appearance in the sitcom
The New Leave It to Beaver. In 1992, when she was sixteen, Brittany won the role of Mila Rosnovsky on the short-lived
syndicated teen drama ''
Swan's Crossing''. She then moved to
New York to film the series. After
high school, she landed the role of
Jessica Wakefield in the television series
Sweet Valley High (twin sister Cynthia portrayed Jessica's twin, Elizabeth). During the run of
Sweet Valley High, they made their film debut in the drama
The Basketball Diaries (1995) alongside
Leonardo DiCaprio. After
Sweet Valley High was canceled in 1997, Daniel continued acting in films and television series including a stint on ''
Dawson's Creek in 1999 and a role in the TBS television movie On Hostile Ground'' the following year. In 2001, she appeared as
David Spade's love interest, Brandy, in
Joe Dirt, and in 2015, she appeared in the sequel
Joe Dirt 2: Beautiful Loser. In 2002, Daniel played one of the lead characters in the short-lived
Fox series ''
That '80s Show''. In 2002, she played Eric Forman's cousin Penny on ''
That '70s Show. Daniel appeared on the show It's Always Sunny in Philadelphia as a transgender woman named Carmen. She teamed with the Wayans Brothers for their films White Chicks (2004) and Little Man (2006). That same year, she appeared in the VH1 television movie Totally Awesome'' before landing a lead role in
The CW's half-hour comedy
The Game, which she starred in until 2011. However, she would return to the show in 2014. In February 2010, she was cast in the
Brothers Strause thriller
Skyline; the film was released on November 12, 2010. ==Personal life==