Singer Karen O of the band Yeah Yeah Yeahs performs onstage during day 1 of the 2013 Coachella Valley Music & Arts Festival at the Empire Polo Club on April 12, 2013 in Indio, California. (Photo by Kevin Winter/Getty Images for Coachella)

Yeah Yeah Yeahs singer Karen O recently married longtime boyfriend Barnaby Clay. In case you're wondering who that is, Clay directed O in the 2009 video for the Yeah Yeah Yeahs single "Zero," which is how oh so many rock n roll love stories begin. Okay, maybe this is the first but it could be more common than we think!

[Lorne, Australia, December 30. Image via Getty.]

• Though "sources" recently claimed Reese Witherspoon and Jake Gyllenhaal had broken up, an insider now says, "Jake is planning to pop the question over the holidays and couldn't be more excited."

• Avril Lavigne has officially filed for divorce from Sum 41's Deryck Whibley.

• Lady Gaga, Gay Activist! She "was the highest-wattage celebrity to attend both the Human Rights Campaign dinner Saturday night and the National Equality March on Sunday." Reporter Dan Zak writes:

[Reading, England, August 30. Image via Getty.]

[Belfast, August 26. Image via WENN.]

[Chicago, August 8. Image via Getty.]

• M-K Olsen is supposedly venturing out of her Salinger-esque hiding to attend the Giambattista Valli show today. [Fashion Week Daily]
  
• Too bad, because also in MK news: she is writing a book! With Ashley, about (what else?!) her inimitable style. We assume this means she'll also go on the road promoting it, as opposed to …