Lady Gaga wants to become friends with Pippa Middleton.  The popstar apparently a huge fan of the Royal in-law.  According to people close to Gaga:

“She would love to get pally with Pippa. She’s been intrigued by her since the Royal wedding.”

Gaga apparently had Pippa's book Celebrate shipped to her in Puerto Rico while she was there on tour.

Celebrate:  A Year of Festivities for Families and Friends is a party-planning book written by the sister of Kate Midlleton, who married Prince William in 2011.