© Instagram Gillian wowed fans with make-up free selfieAnother offered a behind-the-scenes glimpse of the actress getting ready, with two large rollers pinned into her hair and false eyelashes adding a touch of glamour. © Instagram Gillian looks incredible at 58! "Age like good wine omfg," another added, while a longtime admirer wrote: "Happy Birthday, Gillian! © Instagram Gillian celebrated her birthday with a pile of nuggets! "When you're young, you're noticed, you're needed, you're whistled at, you're even hit on.