Matthew Stafford and the Los Angeles Rams are coming off a difficult 31-28 loss to the Carolina Panthers. The quarterback will next face their NFC West rival, the Arizona Cardinals, on Sunday afternoon.In the meantime, his wife, Kelly Stafford, enjoyed a getaway to celebrate an old friend's birthday. Kelly traveled to Cabo San Lucas, Mexico, for her friend Jess's birthday celebration and shared a carousel of photos on Instagram, documenting the trip."Celebrating you is easy @jessclausen Happy birthday to one of my best friends, may this be the best decade yet ❤️❤️❤️," Stafford wrote. View this post on Instagram Instagram PostOn her Instagram Story, Kelly Stafford posted photos with friends on a yacht. She wore a green printed bikini.Matthew Stafford’s wife, Kelly, showed off a two-piece bathing suit on a trip to Mexico. (Credit: @kbstafford)The friend group enjoyed fun in the sun and even played tennis during their trip to Mexico. They capped off the birthday celebration with fireworks on the beach.Matthew Stafford's wife Kelly documented trip to Charlotte for Week 13 matchupMatthew Stafford's wife, Kelly and their four daughters, Sawyer, Chandler, Hunter and Tyler have been traveling to away games this season. Kelly calls the Instagram series, "Stafford Sisters stadium series," as she documents their trips, which included the London series matchup.Last week, the Staffords traveled to North Carolina to watch the Los Angeles Rams take on the Carolina Panthers. They wore throwback gray Rams sweatshirts and jeans and completed the look with blue and yellow winter coats and hats. The family shared a pregame moment on the sidelines and met up with Stafford's former Detroit Lions teammate, Sam Martin."#staffordsisterstadiumseries continues. Charlotte to see Uncle Sam and learn what playing in the rain really feels like 🤣🥶 Gonna call Tyler, Tasmanian Ty now 🌪️" Kelly Stafford captioned the Instagram post. View this post on Instagram Instagram PostIn the Week 13 loss, Matthew Stafford completed 18 of 28 passes for 243 yards and two touchdowns. In 12 games this season, he has thrown for 3,073 yards and 32 touchdowns.