“When @hannahbjeter surprised me with an early bday party ... at a surprise party orchestrated by his wife, Hannah Jeter.

The show celebrated 50 years on the air with a three-hour special called “SNL50: The Anniversary Special,” Feb. 16 (8 p.m. on NBC and Peacock). Nicholson was one of the many celebs in the crowd.

The 50th anniversary special of Saturday Night Live was packed with surprise celebrity guests ... during one very brief segment of SNL 50, Plaza managed to pay tribute to the memory of her ...