Carrie Underwood  and Hilary Duff  and Katy Perry  and Nicole Richie Charley Gallay/WireImage; Andy Fossum/Startraksphoto; Kirkland/INF; DPA/ZUMApress

Is it just us, or is everyone in Hollywood getting engaged? Most recently Hilary Duff, Nicole Richie, Carrie Underwood, and Katy Perry have all announced their impending nuptials. (And showed off their gorgeous rocks to prove it!) While the stars plan summer soirees, try on their many previous styles—and start making bets on their hairstyles for the big day.

Try on Carrie Underwood’s bouncy blond! trendsetting styles!
Try on Hilary Duff’s look!
Try on Nicole Richie’s chic locks!
Try on Katy Perry’s trendsetting styles!