Lunchtime Lowdown: Taylor Lautner Not Joining Haiti Telethon; Courtney Love Goes Maternal on Ke$ha

• Victim of Jersey Shore's Ronnie Margo's sucker punch wants revenge (TMZ)

• The evolving hairstyles of Rachel McAdams revealed (Elle.com)

• Courtney Love is "going all maternal" on Ke$ha (Celebuzz)

• Fashionistas Mary-Kate Olsen and Nicole Richie share the same coat (Hollywood Life)

• Taylor Lautner won't be participating in the Hope for Haiti telethon with his co-star Robert Pattinson (Gossip Cop)