Bridgit Claire Mendler (born December 18, 1992) is an American singer-songwriter, musician, producer and actress. She played Teddy Duncan in the Disney Channel Original Series Good Luck Charlie and appeared in the 2009 made for television film Labor Pains. In 2009, she became a recurring character for the Disney Channel Original Series Wizards of Waverly Place. In December of that year, she made her theatrical debut in the film Alvin and the Chipmunks: The Squeakuel, released on December 23, 2009. Following the positive reception to her character on Wizards of Waverly Place, who was a vampire and fell in love with David Henrie's character, she became the star of the Disney series Good Luck Charlie, which premiered in April 2010 and ended in February 2014. In 2011, she appeared in the film based on the series Good Luck Charlie, It's Christmas.