28 Facts That You Forgot About Mary-Kate and Ashley Olsen The Olsens kicked off their big weekend with ice cream sundaes and passed out Team Mary-Kate or Team Ashley shirts to their pals.

The Olsen sisters twinned in tiaras when they celebrated their 33rd birthday on Thursday Kaitlyn is a former Assistant Style & Beauty Editor at PEOPLE. Mary-Kate and Ashley Olsen celebrated their ...

When little sister Elizabeth Olsen, 25, was put on the spot on "Watch What Happens Live," she made her choice of favorite twin, 27, and it all came down to the birthday call.

It's hard to believe that Mary Kate & Ashley Olsen turn 25 today! The twins have transformed from plucky child stars to fashion icons. Let's look at their sister style over the years.

Mary J. Blige, Mary-Kate and Ashley Olsen celebrated W magazine editor's 40th birthday at a favorite Taylor Swift haunt.

Mary Kate and Ashley Olsen's Most Adorable Matching Moments — Can You Tell Them Apart? In celebration of the sisters' 39th birthday, here's a look back at at some of their cutest lookalike ...

Tia Mowry recalled visiting the 'Full House' set with twin sister Tamera and babysitting stars Mary-Kate and Ashley Olsen: 'Everyone thought it was the cutest thing.' ...

More than 25 years have passed since Bob Saget last played Mary-Kate and Ashley Olsen's father in the beloved ABC sitcom Full House, but he says they're just as close these days—if not closer ...

Mary-Kate and Ashley Olsen both turned 18 in 2004 and became co-presidents of Dualstar for their birthday, but by that point, their time as Hollywood starlets was largely over.

Elizabeth Olsen doesn’t often comment about older sisters Mary-Kate and Ashley, but this week sang high praises of the close bond and connection the twins share.

Elizabeth Olsen doesn’t often comment about older sisters Mary-Kate and Ashley, but this week sang high praises of the close bond and connection the twins share.