Dear Aisling Bea, Happy 40th birthday! It's a milestone year that only comes around once in a lifetime, so make sure to milk it for all it's worth. You're joining the ranks of the fabulous and fierce 40-year-olds and I have no doubt you will rock it with style and grace. I can't believe you're officially in your naughty forties now. I guess that means we can expect even more hilariously inappropriate jokes and witty banter from you. Age is just a number, but your talent, humor, and charm are timeless. Don't ever change, my dear. Just remember, you're not getting older, you're getting better. And as you enter this new decade, may all your dreams and wishes come true. You deserve all the happiness in the world and more. So keep on shining bright and being the absolute queen that you are. Cheers to 40 fabulous years, Aisling! Here's to many more full of love, laughter, and endless adventures. Happy birthday! Sincerely, [Your Name]