Alyson Hannigan and her husband Alexis Denisof walk together in the streets of Santa Monica on February 26, 2009.
Actress Alyson Hannigan attends the 15th Annual Lint Roller Party, Thursday, Nov. 13, 2008 in Los Angeles.
Alyson Hannigan attends The Academy of Television Arts & Sciences presents an Evening with "How I Met Your Mother" The Leonard H. Goldenson Theatre, North Hollywood, CA, January 27, 2009.
Sunday May 3, 2009. Actress Alyson Hannigan and husband Alexis Denisof go out for a stroll with their new born safely under wraps in the stroller.
Alyson Hannigan & Alex Denisof at the CBS Comedies' Season Premiere Party Area, Los Angeles, CA, USA September 17, 2008
Actors Isaiah Washington, far left, Kate Walsh, Neil Patrick Harris and Alyson Hannigan, right, pose together before announcing nominations for the 33rd Annual People's Choice Awards, in Beverly Hills
Actress Alyson Hannigan arrives for the 49th Annual Grammy Awards on Sunday, Feb. 11, 2007, in Los Angeles.
Actress Alyson Hannigan, left, and husband, actor Alexis Denisof pose on the press line at the premiere of "Forgetting Sarah Marshall" in Los Angeles on Thursday, April 10, 2008.
Actress Alyson Hannigan appears onstage during a taping of MTV's "Total Request Live" at the MTV Times Square Studios Tuesday, May 13, 2008 in New York.
Actress Alyson Hannigan and actor Alexis Denisof arrive at the 36th Annual FIFI Awards hosted by the Fragrance Foundation, honoring the fragrance industry's creative achievements.
Alyson Hannigan at the "How I Met Your Mother" Details Magazine/ Rockport Premiere Party The Lobby, West Hollywood, CA September 14, 2006
Alyson Hannigan speaks at The 2008 Los Angeles Film Festival's Poolside Chat #2: Funny Women at the W Los Angeles on June 25, 2008 in Westwood, California.
Alyson Hannigan at the CBS Comedies' Season Premiere Party Area, Los Angeles, CA, September 17, 2008.
Alyson Hannigan was spotted spending some quality time with her adorable daughter Satyana in Malibu, California.
Cast members of "American Wedding": Seann William Scott, Eddie Kaye Thomas, Alyson Hannigan, Jason Biggs and Thomas Ian Nicholas on MTV's "TRL" on Feb. 23, 2003 in NYC.
Alyson Hannigan attends Duo Grand Opening at Four Seasons Maui on April 28, 2007.
Alyson Hannigan with husband Alexis Denisof and daughter Satyana spending Easter Sunday in Central Park, New York City on April 8, 2012.
Alyson Hannigan, a cast member in "American Reunion," poses at the premiere of the film in Los Angeles, Monday, March 19, 2012. The film is released in theaters on April 6.
Alyson Hannigan arrives at the Rosie Pope Maternity Store Opening Event at Rosie Pope Maternity on March 29, 2012 in Santa Monica, California.
Alyson Hannigan and her daughter, Satyana, are spotted shopping in Los Angeles on July 12, 2012.
Alyson Hannigan and Alexis Denisof attend the "American Reunion" premiere at Grauman's Chinese Theatre in Hollywood, Calif., on March 19, 2012.
Alyson Hannigan arrives at the People's Choice Awards on Jan. 11, 2012, in Los Angeles.
Alyson Hannigan takes a break from her motherly duties and visits Laser Away in Santa Monica, Calif., on Aug. 20, 2012.
Alyson Hannigan and her husband, Alexis Denisof, attend the premiere of his film, "Much Ado About Nothing," held at Oscars Outdoors in Hollywood, Calif., on June 5, 2013.
Alyson Hannigan and Alexis Denisof at the 65th Annual Primetime Emmy Awards held at Nokia Theatre L.A. Live in Los Angeles, Calif., on Sept. 22, 2013.
Alyson Hannigan and her daughter Satyana stop by a cafe in Santa Monica, Calif., on Dec. 24, 2013.
Alyson Hannigan arrives at the "How I Met Your Mother" series farewell during PaleyFest 2014 in Los Angeles on March 15, 2014.
Alyson Hannigan & Jason Biggs at the 1999 Teen Choice Awards in Los Angeles.
Alyson Hannigan shops at Blick Art in West Hollywood, Calif., on Jan. 29, 2015.