What to Wear to a Semi Formal Birthday Party for Women over 70 Thanks for your help in choosing my outfit! I attended a 70th birthday party over the weekend, and the dress theme was black and silver. My friends loved look #2. Head to A disco party sounds like a perfect way to celebrate your 70th birthday. Thank you @joyfacenyc for making my mom's night! #disconight #outfitideas #wearingvsstyling #accessories #70thbirthday Thanks for your help in choosing my outfit! I attended a 70th birthday party over the weekend, and the dress theme was black and silver. My friends loved look #2. Head to