February 6, 2014 8:46 AM EST

Looks like Jay Leno is having an emotional last week on The Tonight Show—guests like Jimmy Fallon and Betty White were on the show earlier this week to give their heartfelt goodbyes, and Sandra Bullock followed suit Wednesday night. The actress teared up while remembering Leno’s kindness to her, telling him, “You were always so welcoming.”

Billy Crystal, Leno’s first-ever guest on the show, will also make an appearance for Leno’s last night as the host of The Tonight Show. Jimmy Fallon will make his debut as the new host on Feb. 17.

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