the life and soul of the party

US /ðə laɪf ænd soʊl əv ðə ˈpɑːr.t̬i/
UK /ðə laɪf ænd soʊl əv ðə ˈpɑːr.t̬i/
"the life and soul of the party" picture
1.

a person who is energetic and enthusiastic and who makes a social event or gathering more lively and enjoyable

:
Sarah is always the life and soul of the party, making everyone laugh and dance.
Even though he's usually quiet, at parties, he becomes the life and soul of the party.