Life of the party

‘You were the life of the party last night, Ma'am, you know,’ returned Flowers, ‘and you suffer for it, to-day, you see.’

Tom was the life of the party, and the way he "cut up" was "simply awful," as Nellie declared.

They were the life of the party and everyone loves them, even though it was not a party that the nation can afford to throw again.