Facebook page. To celebrate, they are offering their fans a $5 off any BJ's custom celebration sheet cake!
From their Facebook wall:
"We’re giving our members on Facebook $5 off
any BJ’s custom celebration sheet cake. This offer will only be
available to download today, just sign in with your bjs.com account to
select and print the coupon: http://bit.ly/BJsCoupon"
This offer is only good TODAY, so hurry!