Happy weekend! Celebrate the fact that so many Playboy models were born this week, because seriously, it’s a great thing. Check out the happy birthday girls, below, and flip through our gallery. Really, you’re just doing it for them.

MAY 22: Happy birthday to Playboy’s Miss September 2010, Olivia Page

Check out what Olivia Page thinks of rugged guys here.

MAY 23: Happy birthday to Cyber Girl Jamie Graham

Find her online here.

MAY 23: Happy birthday to Playboy’s Miss April 1997, Kelly Monaco

Find her online here (NSFW).

MAY 25: Happy birthday to Playboy’s Miss June 2000, Shannon Stewart

Find her online here (NSFW).

MAY 25: Happy birthday to Playboy’s 2011 Playmate of the Year, Claire Sinclair

See more of her online here, and watch her moonwalk in fancy lingerie here.