Maybe you heard, but Justin Bieber didn't have a very good 19th birthday. In fact, according to his Twitter on Friday night, he called it "worst birthday." That's because he and his entourage were kicked out of London’s Cirque Du Soir club for trying to get Will Smith's 14 year-old son, Jaden Smith, inside. What kind of 19 year-old parties with a 14 year-old is beyond me. 

Today 84 year-old sex therapist and American National Treasure Dr. Ruth Westheimer gave some awesome grandma-ly advice to Biebs and his whiny, spoiled-brat Tweet about it being the "worst birthday." She completely destroyed him in the way that only an 84 year-old person can do:

So Bieber had bad b'day. On my 20th got caught in bomb blast & almost lost both legs. THAT was a bad birthday.

— Dr. Ruth Westheimer (@AskDrRuth) March 2, 2013

OK, that was awesome.

[H/T: @TaylorBiglerDC]