Stars are paying tribute to Naked Gun star Leslie Nielsen, who died Sunday at age 84 due to complications of pneumonia.
On Twitter, many cited his classic line from Airplane!: "I am serious . . . and don't call me Shirley."
Here's what else they had to say:
Ryan Seacrest: Sad to hear about Leslie Nielsen passing. To this day "Airplane" is still one of my favorite comedies ever.
Marlee Matlin: A lovely man and acquaintance passed away today - Leslie Nielsen. What a lovely, funny, talented man. He will be missed. RIP
Brooke Burke: So sad to hear about Leslie Neilson passing. Prayers to his loved ones.
Nia Vardalos: RIP Leslie Nielsen. Shirley, you'll be missed.
Russell Brand: RIP. Leslie Nielsen. Shirley, he will be missed. Slash: RIP Leslie Nielson, one of my all time favorite comedians. U my friend, will be missed big time. Wow, what a loss. Iii|: ( "& don't call me Shirley."
Josh Groban: Shirley, this breaks my heart RT @nytimesarts Leslie Nielsen, Hero, Then Hilarious Actor, Dies at 84