Watch Mean Girls' Kate Rockwell Sing a Sondheim Medley From Her Upcoming NYC Concert
The Broadway favorite shares with Playbill her renditions of "I Know Things Now" and "Now You Know"
Today is Friday, May 22, 2026 Broadway Baby Birthdays: Linda Emond Victoria Wyndham Paul Winfield Richard Benjamin Frank Converse Susan Strasberg Gilbert Lesser Harvey Milk Charles Aznavour Ted Lawrie Daniel Nagrin Sid Melton Rupert Davies Laurence Olivier Jeanne De Casalis Alla Nazimova David Burton Arthur Conan Doyle Richard Wagner Bernie Taupin Fay Sappington Molly Ephraim Edwin B. Edwards Kevin Carolan Michael Kostroff Bill Whelan Arlene Phillips Arnold Lobel Ruth Jaroslow Johnny Olson Richard Harrity