Alyson Hannigan playing with her daughter in a park in Atlanta

Alyson Lee Hannigan (born March 24, 1974) is an American actress. She is known for her roles as Willow Rosenberg on the cult classic television series Buffy the Vampire Slayer, Michelle Flaherty in three American Pie films, and Lily Aldrin on the CBS sitcom How I Met Your Mother.

Elle MacPherson @ NBC Universal Press Tour All Star Party in Los Angeles

Elle Macpherson (play /ˈɛl məkˈfɜrsən/; born 29 March 1963) is an Australian model, actress, and businesswoman nicknamed "The Body". She is perhaps best known for her record six cover appearances for the Sports Illustrated Swimsuit Issue beginning in the 1980s. She is also known as the founder and primary model for a series of business ventures including Elle Macpherson Intimates, a lingerie line, and "The Body", a line of skin care products. According to Forbes, Macpherson possesses assets around $60 million. In 2010, she became the host and executive producer of Britain and Ireland's Next Top Model.

Jessica Alba, at the premiere of Spy Kids: All The Time in LA

Jessica Marie Alba (born April 28, 1981)[1] is an American television and film actress. She began her television and movie appearances at age 13 in Camp Nowhere and The Secret World of Alex Mack (1994). Alba rose to prominence as the lead actress in the television series Dark Angel (2000–2002).[2][3] Alba later appeared in various films including Honey (2003), Sin City (2005), Fantastic Four (2005), Into the Blue (2005), Fantastic Four: Rise of the Silver Surfer and Good Luck Chuck both in 2007.