News Blac Chyna Pledges to Train Rob Kardashian Herself Every Day for 'Five Weeks,' Reveals His Goal Weight By Meredith B. Kile 7:28 PM PDT, April 6, 2016 This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. 40:02Rob Kardashian Shows Off Healthy Dinner at Date Night With Blac …01:43Blac Chyna vs. Kardashians: Corey Gamble Says He Heard Chyna’s A…01:17Blac Chyna vs. Kardashians: Jury Reaches Verdict in Favor of Kar…01:06Met Gala 2022: Kris Jenner on Blac Chyna Trial: 'I'm Glad It's O…01:01Met Gala 2022: Sophie Turner Embraces Baby Bump During Date Nigh…07:38Met Gala 2022: All the Must-See Moments From Fashion's Big Night03:44Kim Kardashian Admits to Disneyland Photoshop Fail03:23Caitlyn Jenner on Kanye West Making Kim Kardashian’s Life Diffic…02:28Texas School Shooting: Celebs Speak Out Over Deaths of 19 Childr…03:48Lili Reinhart Slams Kim Kardashian's Met Gala Diet03:34Tristan Thompson Seems to Respond to Khloé Kardashian's New Comm…03:03Kanye West 'Laying Low’ and ‘Focusing on Healing' Amid Kardashia…03:03Inside Kourtney Kardashian and Travis Barker's Italian Wedding03:22How 'SNL' Handled Pete Davidson and Kate McKinnon's Exit in Seas…03:05How Scott Disick is Spending the Weekend Amid Kourtney Kardashia…02:36Hilary Duff Calls Posing Nude a Combination of Terrifying and Fr…02:01Tim McGraw & Faith Hill on Helen Mirren and Harrison Ford Joinin…04:06Watch Angelyne in Rare Interviews About Her Iconic L.A. Billboar…02:11David Oyelowo on Joining the 'Yellowstone' Universe With Bass Re… Blac Chyna is ready to whip her husband-to-be into shape! The 27-year-old model announced on Snapchat on Wednesday that she’s going to start training fiance Rob Kardashian herself, setting a target date of her upcoming birthday on May 11. WATCH: Blac Chyna Gushes Over Engagement to Rob Kardashian: 'I'm So Blessed and Honored'“Today I’m going to train Rob,” Blac Chyna announced in one snap. “We’re going to start a journey, I’m going to start training him myself.” In subsequent clips, Rob weighs himself -- registering 248.4 pounds -- and set a goal weight for himself of 200-210 pounds.“I think that’s perfect,” Blac Chyna tells her new fiance.WATCH: Tyga Says He's 'Happy' About Blac Chyna's Engagement to Rob Kardashian, Worries Over Son King Cairo's 'Situation'“Do you give me permission to train you for the next five weeks, every day?” she asks Rob in another snap.“Of course,” he answers. The couple have yet to set a wedding date, but it’s clear that Blac Chyna is ready to help her man get motivated and slim down. See how they celebrated their recent engagement in the video below.WATCH: Rob Kardashian and Blac Chyna Celebrate Engagement With a Backyard BBQ and More Pics of Her Massive RingRob Kardashian and Blac Chyna Continue Engagement Celebration With Barbecue This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.