Video of Pregnant Natalie Portman and Ashton Kutcher at the No Strings Attached Premiere in LA Video: Natalie Portman Glows and Ashton Kutcher Offers Parent Tips January 12, 2011 Forget Going HAM — Birthday Boy... Guaranteed: Some Loose Ends Will... Sing Some Fa La Las With the... Who on Earth Wouldn't Want to... Royal Report: William and Taylor... Does JFK Matter Today, More Than... You'll Cherish These... Royal Report: Baby Prince George... Bethenny Frankel on Why This... The Top 5 Can't-Miss Moments From... Tyrese Gibson Breaks Down at the... Tears, a Robbery, and a Kitty —... Your Quick and Easy Guide to... Adam Levine Isn't the Only Guy... How Will Fast & Furious 7 Move on... Niall Horan Says One Direction... Will There Be a Spinoff From The... It's No Wonder Jennifer Lawrence... Hollywood Celebrates Miss Golden... Remembering Paul Walker,... by POPSUGAR Celebrity 0 Save 0 Favorite 0 Ashton Kutcher is a stepfather of three but says he has no parenting tips for his No Strings Attached costar Natalie Portman while walking the red carpet at the premiere last night. View Transcript » Transcript Ashton KutcherNatalie PortmanPOPSUGAR NewsNo Strings AttachedNow Playing Tell your friends Link Love Julianne Hough gets a whole new lookHuffPost CelebrityPaul Walker bought two strangers a $10,000 engagement ring — Us WeeklyWhere was Jennifer Lawrence last night? — Lainey GossipLea Michele opens up about her parents — PeopleBut I'm a Cheerleader is coming to the stage — BuzzFeedLady Gaga is a work of art — ETA look back at Tyra Banks's long career — The Daily BeastPaul Walker's cause of death revealed — Pink Is the New BlogNigella Lawson admits to doing cocaine — D-ListedThe one man who can intimidate Leonardo DiCaprio — JustJaredCheryl Cole does good — Hollywood TunaThe secret message in the Kardashian Christmas card — The Superficial No Comments Sign in to leave a comment Sign in with your account Don't have an account? Create one now! See More POPSUGAR News Red Carpet Jul 27, 2010 Video: Angelina's Sexy Slit, Gwyneth Sings Country, and Zac's Childhood Pics! Red Carpet Jul 20, 2010 Lindsay in Jail, Angelina and Brad Cozy Up For Salt, and Steve's Office Romance Rumors! POPSUGAR News Oct 23, 2010 Watch, Pass, or Rent: Matt Damon & Hilary Swank! POPSUGAR News Oct 21, 2010 Video: Kim Kardasian's Best Behind Shots & Quotes You Might Also Like Skin Care Oct 05, 2011 5 Ways to Tell If Your Beauty Products Are Vegetarian Celebrity Weddings Jun 24, 2013 Princes William and Harry Celebrate a Wedding With Pippa Middleton, Chelsy Davy, and Cressida Bonas Poll Jul 20, 2008 What's Tackier? Bikini Jul 19, 2010 Katy Perry Brings Out Her Bangin' California Girl Bikini Body!