Yes... track her down, she won't mind.
Oh and, not sure yet, will send her a reminder text.
My birthday's on the 27th, which is the Tuesday. I'll be in work that day, with a bit of lunch and a visit to the alpaca's over the road I hope. Otherwise I'd be at home, which'd be well boring.
You don't have to boycott your manager's doo oldbutnew, just pop along after.