Privileged

When Laurel points Megan's sister, Lily, as being inappropriately dressed at a glamorous social event, Megan lies to Laurel about knowing her. Megan and Sage argue over Rose.

Megan meets with Rose's headmaster, Jacob Cassidy (recurring guest star DAVID GIUNTOLI), and is disarmed by his age and good looks. Plus, the twins skip tutoring for a yacht party.

Megan gets too much information about the twins' sex lives, and her own insecurities show up during a date with Jacob (recurring guest star DAVID GIUNTOLI).

Megan is forced to cancel her plans for a spa weekend with Jacob (recurring guest star DAVID GIUNTOLI) when Laurel demands she act as chaperone for Rose and Sage's pool party.

A photo shoot with Rose and Sage for Laurel's upcoming marketing campaign with top photographer Rocco Zaretti (guest star NIGEL BARKER - "America's Next Top Model") is a disaster.

Megan reconnects with her estranged father (guest star JOHN ALLEN NELSON - "24") and asks Marco to prepare dinner for two at the estate. Lily, Will, Rose and Sage also show up.

Megan learns a secret about Laurel's past. Sage meets with publicist Patricia Kingston (guest star KATHY NAJIMY - "Numb3rs"), but she is only interested if Rose is also involved.

The twins encounter blogger PEREZ HILTON on the red carpet at a club and SARAH DREW ("Everwood") guest stars as Megan's best friend from Yale, Caryn.

Megan has a great date with Will but can't deal with the fact that he is also dating other women. When Rose gets a bad grade on an exam, she decides to cheat on her next test.

Will and Megan's new romance is threatened when Will plans to accept a job in Brazil. Sage "tortures" Charlie's cousin, Luis (IGNACIO SERRICCHIO), who gets a job in the kitchen.

Megan's mother, Shelby (guest star SHARON LAWRENCE - "NYPD Blue"), who abandoned the family when Megan was a child, returns. Will is jealous when Megan turns to Charlie for advice.

Megan confronts her mother, Shelby (SHARON LAWRENCE), Rose and Sage throw an elaborate charity dinner and Marco's boyfriend, Keith (DAVID MONAHAN), pushes Marco to quit his job.

Megan wants Lily out of jail, but her father (JOHN ALLEN NELSON) thinks Lily should be left there to learn a lesson. Shelby (SHARON LAWRENCE) later asks Will for the bail money.

Rose's boyfriend, Zach (DAVID FRANCO), gets upset after seeing a picture of Rose and Sage with bassist PETE WENTZ of the band Fallout Boy. Megan meets Will's parents.

Charlie surprises Megan by admitting he has been in love with her for years. Will reacts badly to the news. And Rose gets some surprising news of her own.

The twins confront Laurel with their shocking news. Rose knows Sage is keeping something from her and when Sage finally confesses her secret, it changes their relationship.

KATHY GRIFFIN appears as Keith (DAVID MONOHAN) and Marco's wedding planner. Megan and Will fight and break up, leaving Megan solo at the wedding. But does she leave solo?