Photo 10/16

Lauren Conrad

We're loving the pearl studs and the messy look of Lauren Conrad's balayaged half-up style.

Image via @kristen_ess

Photo 11/16

Margot Robbie

Margot Robbie's take on the hair bow is a little bit punk rock... and for that we give her major props.

Image via JEAN-BAPTISTE LACROIX/AFP/Getty

Photo 12/16

Emma Stone

Keep things simple with a black satin ribbon tied around a casual ponytail like Emma Stone.

Image via Eamonn M. McCormack/Getty Images Entertainment/Getty

Photo 13/16

Millie Bobby Brown

OK, so you might need to be a "Stranger Things"-aged teenager to pull this look off, but it's still really, really cool.

Image via Steve Granitz/WireImage/Getty

Photo 14/16

Billie Lourd

"Scream Queens" actress Billie Lourd is totally rocking this throwback Brigitte Bardot style.

Image via Frazer Harrison/Getty Images Entertainment/Getty