Tony Award winner and Hollywood legend Bernadette Peters will appear on the new NBC series “Smash” as the mother of one of the aspiring Broadway starlets, Ivy Lynn. News about the guest spot hit Broadway blogs last week, but many Twitter fans who tuned into the show tonight just found out after the show ran a teaser.

“Smash” star Katharine McPhee also tweeted the news, and “Bernadette Peters” is now a trending topic:!/katharinemcphee/status/179404177301176320

Reaction was…dramatic:!/CrayolaaWonderr/status/179412790811955200!/streisandlupone/status/179407473113960448!/xokaleigh/status/179403468761612288!/emsuar_/status/179415970132148225!/Taragel/status/179406277347254273!/Tay_Vandgrift/status/179405054560845826!/JdkPoP/status/179408140046045184