Kevin Costner is speaking out to ET about the tragic stage collapse that killed one person and injured as many as 75, prior to a planned performance by Costner and his band Modern West at a country music festival in Alberta, Canada on Saturday night. "We are so saddened by the loss of life and injury that occurred on a day that carried so much promise, but turned so wicked so quickly. We hope to return to Alberta in the future to help with the healing," a spokesman for Costner and his band tells ET. The Oscar-winning actor went to the hospital with two of his crew who were injured in the incident. They were treated and released, and Costner visited with others that were injured while there. Read More »

"Dancing with the Stars" pro Julianne Hough partied at the Borgata Hotel Casino & Spa in Atlantic City on Saturday night to celebrate turning 21 -- and ET has all the details. Julianne got into party mode with her close family, including her two sisters, who flew in from Nashville. After enjoying some chit-chat and room service cuisine, the birthday girl splurged on a gift for herself: black and navy LAMB high heels from Fixation at The Shoppes at The Water Club. Later the whole group chowed down at Bobby Flay Steak in Borgata where Julianne drank a specialty cocktail made exclusively for her in honor of her bday. Read More »

Mark Wahlberg and his girlfriend Rhea Durham got married in L.A. on Saturday! Read on for the details. The couple, with their three young children and roughly 12 close friends and family members on hand, wed in a ceremony at Good Shepherd Catholic Church in Beverly Hills, says People.com. Wahlberg, 38, sported a dark suit, and ET can confirm that Durham, 31, donned a Marchesa silk chiffon strapless empire gown. Read More »

The reported mother-to-be of Jude Law's fourth child is dishing on the baby's name and gender! Lawyers for Samantha Burke, a 24-year-old model, tell People.com that she and Law are expecting a daughter named Sophia. "Samantha, her mom, and her family can affirm that Jude has been responsive and supportive throughout the relationship and pregnancy, and know that he will remain so as a father once Baby Sophia is born," the lawyers’ statement says. "Jude and Samantha remain committed to the health and well-being of this child, and appreciate your honoring her privacy during this special time." Read More »

'G.I. Joe: The Rise of Cobra' hunk Channing Tatum says that married life with his wife Jenna Dewan is "perfect." "I'm as happy as I possibly can be on the planet right now," Tatum, 29, tells People.com. "We've been together [for four years], and nothing's really changed," he adds of his relationship with Jenna, 28. "It's pretty much the same as I've felt every day since I met her -- and that's just about perfect." Read More »