Britney Spears takes a bus ride as she goes out and about in London

Special Britney B-Day Shout-Out!

Can you even remember a world without Britney in it? A time before she dominated every area of pop culture? From The Mickey Mouse Club to The X ... See the Rest

Video thumbnail for youtube video Miley Cyrus 21 Video Salute - World of Wonder

Miley Cyrus 21-Video Salute

... See the Rest

Video thumbnail for youtube video Olivia Newton-John 21 Video Salute - World of Wonder

Olivia Newton-John 21-Video Salute

Happy birthday to a true goddess. ... See the Rest

Video thumbnail for youtube video Six Videos that Remind Me Why I Love Madonna - World of Wonder

Happy Birthday Madonna: A 21-Video Salute

At the risk of being reductive, my 21-video salute to the one-and-only Madonna. (55 is the new 36.) But wait, I left out Causing A Commotion, ... See the Rest

Video thumbnail for youtube video Captain & Tennille Six Pack - World of Wonder

Captain & Tennille Six Pack

Sending lots of Muskrat Love to Toni Tennille on her 73rd birthday. ... See the Rest

Video thumbnail for youtube video Ann Margret Six Pack - World of Wonder

Ann-Margret Six Pack

... See the Rest

Doris Day Six Pack

... See the Rest

Diana Ross & Friends Six Pack

What becomes a legend most? Singing with her legendary friends, of course. I can't think of a better way to celebrate the Boss' 69th birthday. ... See the Rest