Goldie Hawn was 21 in The One and Only, Genuine, Original Family Band when she played the character 'Giggly Girl'.
That was over 56 years ago in 1968.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 78, and has starred in 51 movies in total, 50 of those since The One and Only, Genuine, Original Family Band was released.
In The One and Only, Genuine, Original Family Band, I think Goldie Hawn looks: