Melissa Joan Hart: Before and After

Melissa Joan Hart poses in a bikini in People magazine after losing 42 pounds in 14 months. Nice! (People)

Melissa Joan Hart on the cover of People. (People)

May 16: Melissa Joan Hart arrives at the premiere of the Disney-Pixar animated film "Up" in Hollywood, California. ( Reuters)

August 22, 2008: Melissa Joan Hart at a park in Beverly Hills with son Mason. ( X17)

Dec. 24, 2008: Melissa Joan Hart and Alyssa Milano pose as they serve food on Christmas eve at the Los Angeles Mission. ( AP)

Jan. 10: Melissa Joan Hart poses on the press line at a benefit gala for The Art of Elysium in Los Angeles. ( AP)

Actress Melissa Joan Hart arrives for the premiere of Pixar's film "Ratatouille" in Hollywood. ( Reuters)

December 6, 2001: Actress Melissa Joan Hart poses at the Motorola Holiday party, benefiting the Toys for Tots program, in Hollywood. ( Reuters)

Feb 07, 2008: Pregnant with baby number 2 Melissa Joan Hart at club One for a concert of Course Of Nature featuring her husband. ( X17)

Dec. 24, 2008: Melissa Joan Hart, standing right, helps serve food on Christmas eve at the Los Angeles Mission. ( AP)