Charleston sweetheart Jennifer Garner and Ricky Gervais are shown in scenes from, 'The Invention of Lying.' The comedy is set in a world where no one has ever lied, until a writer seizes the opportunity for personal gain.

Jennifer Garner's new movie, due out in September, also stars Tina Fey, Rob Lowe, Jason Bateman and Jonah Hill.

Actress Jennifer Garner speaks to an unidentified person while sitting near the Boston Red Sox dugout during a baseball game against the Florida Marlins at Fenway Park in Boston Tuesday, June 16, 2009.

Actor Ben Affleck and his wife, actress Jennifer Garner, watch during the fourth quarter of the Boston Celtics' 101-82 loss to the Orlando Magic in Game 7 of the NBA Eastern Conference semifinal basketball series in Boston on Sunday, May 17, 2009.

Actress Jennifer Garner listens during a news conference about early childhood education at a head start program in Washington, on Tuesday, May 5, 2009. Garner was at the school with the group Save The Children to promote early childhood education.

Actress Jennifer Garner reads to children at a head start program in Washington, on Tuesday, May 5, 2009.

In this image released by The Martha Stewart Show, actress Jennifer Garner, left, joins host Martha Stewart for a pizza recipe on the set of 'The Martha Stewart Show,' Friday, May 1, 2009, in New York.

In this photo provided by CBS, actress Jennifer Garner, left, watches as host David Letterman applies ointment to her wounds on the set of 'The Late Show with David Letterman,' Wednesday, April 29, 2009 in New York. Garner fell while running.

Matthew McConaughey and Jennifer Garner star in 'Ghosts of Girlfriends Past.'

Jennifer Garner, a cast member in 'Ghosts of Girlfriends Past,' arrives at the premiere of the film in Los Angeles, Monday, April 27, 2009.

Jennifer Garner, a cast member in 'Ghosts of Girlfriends Past,' poses at the premiere of the film in Los Angeles, Monday, April 27, 2009.

Michael Douglas, left, and Jennifer Garner, cast members in 'Ghosts of Girlfriends Past,' share a laugh at the premiere of the film in Los Angeles, Monday, April 27, 2009.

From left, Michael Douglas, Jennifer Garner and Matthew McConaughey, cast members in 'Ghosts of Girlfriends Past,' pose together at the premiere of the film in Los Angeles, Monday, April 27, 2009.

Jennifer Garner, left, a cast member in 'Ghosts of Girlfriends Past,' poses for photographers at the premiere of the film in Los Angeles, Monday, April 27, 2009.

Matthew McConaughey, left, and Jennifer Garner star in 'Ghosts of Girlfriends Past.'