Everything’s come up rosy for Martha Stewart. On Sunday night, the mogul and her longtime hairstylist Chris Appleton debuted a surprising new hair color that fans were loving. Though Stewart’s signature bob haircut remained, her strands were dyed a soft shade of pink. “Rose gold …. It’s a good thing 🌹✨,” Appleton and Stewart captioned a joint Instagram post. The hairstylist even got in on the color palette, sporting a pink Yankees hat while the lifestyle guru, 85, puckered her lips for the camera. Fans flooded the comment section with praise, including Chrishell Stause, who commented, “Pink Chíc🌸.” “It makes her look about 30 years…