Kristen Anne Bell (born July 18, 1980) is an American actress who starred in the U.S. television shows Veronica Mars and The Good Place. A film version of her off-Broadway musical Reefer Madness debuted on the Showtime network in April 2005, with Bell reprising the role which she played in the musical. She has starred in live action, as well as animated films such as "Frozen" (2013) which is her most famous role as she plays Princess Anna providing dialogue and singing the songs. She appeared on "Olaf's Frozen Adventure" and reprised her role as Anna in "Frozen 2" (2019) .