One night a year, Adrienne Holland doesn’t keep bakers’ hours.
She throws out the 6 p.m. bedtime and throws on makeup and a glamorous dress to attend Louisville’s fanciest party.
And when she walks into the invitation-only Barnstable Brown Derby Eve Gala each year, Holland sees guests, including a fair share of celebrities, ogle up at the towering, lavishly-decorated, seven-tier cake she made…