Morning Memo: Another Secret Weekend Wedding! But This Time It’s Only Ashlee Simpson and Pete Wentz-z-z-z …

Justin Bartha, who is dating Ashley Olsen, used to yell and curse at former girlfriend Lydia Hearst. [P6]

Leighton Meester is copying Blake Lively and Penn Badgley by dating Gossip Girl co-star Sebastian Stan. Meanhwile, GG’s Chase Crawford was seen hitting on the newly single Jamie-Lynn Sigler. [P6, P6]

Olivia Palermo admits to shopping at Salvation Army, wears $2 dresses. [The Cut]

All the Nicole Richies out there, rejoice! Rachel Zoe is launching her own clothing line. [The Cut]

John McCain appeared on Saturday Night Live over the weekend and you can watch it here. [Radar]

Ashlee Simpson and Pete Wentz really did get married over the weekend. [US Weekly]