Entertainment Sports Patrick Mahomes Fiancée Brittany Matthews Dubs Referee Call During Chiefs Game 'Trash' Brittany Matthews is typically vocal on social media while supporting fiancé Patrick Mahomes and the Kansas City Chiefs By Vanessa Etienne Vanessa Etienne Twitter Vanessa Etienne is an Emerging Content Writer-Reporter for PEOPLE. Prior to joining in April 2021, she served as a reporter for Men's Health Magazine and BET Digital after freelancing for publications such as The New York Times and Everyday Health. Originally from northern Virginia, Vanessa is a proud Haitian American with a love for R&B music and mental health topics. She graduated from North Carolina State University with a bachelor's in Communication and Public Relations before earning her master's degree in Journalism from the City University of New York. People Editorial Guidelines Published on September 28, 2021 12:31 PM Share Tweet Pin Email Photo: Patrick Mahomes/Instagram Brittany Matthews has no problem speaking her mind in support of her quarterback fiancé Patrick Mahomes. On Sunday, Mahomes and the Kansas City Chiefs took on the Los Angeles Chargers and fell 30-24. The loss put the team at a 1-2 record for the season so far. Throughout the game, Matthews was active on Twitter, sharing her frustration in reaction to some moments on the field as she watched from the stands. "That call was TRASHHHHHH," she wrote after a pass interference call was made against the Chiefs, according to E! News. Patrick Mahomes Addresses Brother Pouring Water on Rowdy Ravens Fan: 'He'll Learn from It' Despite the team loss, after the game, Mahomes wrote, "A little adversity never hurts #ChiefsKingdom We will be back soon!" before Matthews retweeted it. During the game, Mahomes made history by reaching 15,000 career passing yards quicker than any quarterback in NFL history. Matthews also reshared a tweet about her fiancé's milestone accomplishment on Sunday. On Monday, Matthews shared a number of posts on Instagram recapping her time at Arrowhead Stadium as she cheered on Mahomes with their 6-month-old daughter Sterling Skye. She even shared a snap from the sidelines as she gave him a kiss. Brittany Matthews/Instagram Brittany Matthews Shares Sweet Sidelines Kiss with Fiancé Patrick Mahomes at Chiefs Game Matthews is typically active on social media while watching the Chiefs play — and is even known for being vocal about the NFL. Earlier this year, she had a lot to say on social media about Super Bowl LV, expressing her displeasure about the referees' calls against the Chiefs — who lost 9-31 to the Tampa Bay Buccaneers— writing, "that was bull" alongside a poop emoji. Shortly after, she slammed ESPN for tweeting a photo of Mahomes seemingly staring in space at the game. "Cool ESPN, love the support of a major sports platform for one of the best players in the league... [corn emojis]yyyy," she wrote of the tweet. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. Mahomes and Matthews are set to tie the knot next year. The couple has been engaged since Sept. 2020, when the quarterback proposed with a set-up of rose petals, an elaborate floral arrangement, and marquee lights reading, "Will you marry me?" Shortly after they shared their engagement news, the pair — who have been dating since they were teenagers — announced that they were expecting their first child together and explained they were "taking a small detour to the wedding." They welcomed daughter Sterling Skye in February.