Its Hefs big eight-o and the girls have a lot of panning to do, including getting the perfect gift and making sure this party runs as smoothly as possible.

Hef celebrates his 80th birthday with a big celebration with his closest friends and playmates.

The girls think about their next career goals.

The girls shoot their second cover.

Kendra takes the girls and Hef to visit her family in San Diego.

Springtime at the Playboy Mansion.

Before the special Playmate of the Year luncheon, Holly decides to have a slumber party.

Hef takes the girls on an overseas trip to England and France.

Hef and the girls continue their European tour by visiting Italy and Germany.

Back in the U.S., the girls arrange a baby shower for one of the Playboy Playmates.

The girls and some close friends travel to Las Vegas to celebrate Kendra's 21st birthday. In true VIP fashion, they stay in luxury suite in the Palms, and Kendra finally gets an opportunity to show off her blinged-out grill.

It is time for Bridget's favorite holiday Halloween, and the girls celebrate in style.

The girls appear on the Loveline radio show with Dr. Drew, and Holly and Hef celebrate their 5 year anniversary.

The girls interview new candidates for bunny girls to work at the new Playboy Club in Las Vegas.

"Body by Jake" taps the girls to do a workout video and the girls' planning, preparation and performances definitely get their heart rates elevated.

Hef and the girls visit Las Vegas for the grand opening party of a new Playboy Club at the Palms Casino Resort, and the girls sign autographs at the Playboy Store there.

It's Independence Day at the mansion! Hef, Holly, Bridget, Kendra and the rest of the staff celebrate, while Bridget and her sister anticipate the arrival of their older brother home from Iraq.

Holly decides to re-decorate the gym but her and Hef have a clash on personal styles and Kendra prepares for her mother's plastic surgery.

Hef and the girls attend the Monte Carlo International Television Festival when invited by Prince Albert. On the way they stop in a Paris and Saint Tropez to celebrate Kendra's birthday. While exploring the sites in Monaco, Kendra and Bridget get into a bit of trouble.

Kendra consults a pet psychic, while Bridget takes Wednesday to get an agent.

Holly reviews four candidates for Playmate who come to the mansion to be photographed.

The girls leave Hef at the mansion and take a trip down to Jamacia for Holly's sisters wedding.

Holly's wedding is attended by her sisters in Jamaica. A day of fun finds the girls taking the island by storm, or will it be the other way around?

For Bridget's birthday she decides to hold a murder mystery at the mansion with a 20's theme.

The Girls hit the beach, and bring a party with them! Pro surfer Kelly Slater stops by with surfing tips, and Holly makes a splash of her own by taking some much needed swimming lessons from gold-medalist swimmer Amanda Beard.