Actresses Mariska Hargitay and Tiffani Thiessen are celebrating their birthdays today.
Mariska Hargitay is best known for her role on the long-running NBC series, "Law and Order: Special Victims Unit".
Mariska turns 44 today.
Tiffani Thiessen who dropped the "Amber" from her name professionally is known for her roles on the teen series, "Saved By The Bell" and the Aaron Spelling-produced drama, "Beverly Hills, 90210".
Tiffani Thiessen turns 34 today.
credit: USA Today, photos: wireimage.com
