Drew Barrymore Prepares to Walk Down the Aisle With Will Kopelman

It's Drew Barrymore's wedding day!

OK! NEWS: DREW BARRYMORE AND HER BABY BUMP ROCK THE RED CARPET

The pregnant star is set to marry actor Will Kopelman this evening. Drew and Will got engaged this past January, after dating for about a year. The couple held their rehearsal dinner last night at Montecito, Calif.'s San Ysidro Ranch; guests enjoyed the views of citrus trees and a lily pond. Sounds beautiful!

OK! GALLERY: CAMERON DIAZ ESCORTS DREW BARRYMORE TO HER FINAL WEDDING DRESS FITTING

And it sounds like the couple knows how to treat their guests! E! Online reports that when friends and family arrived back at their hotel, they were surprised by a gift of olives, chocolate truffles and lavender bouquets, among other treats.

Congratulations to the happy couple!