Above, Diane Keaton in the Nancy Meyers movie ‘Something’s Gotta Give’ has become inspiration for TikTok’s coastal grandmother trend. (Photo source Warner Bros. Pictures_Columbia Pictures)

Above, Diane Keaton (and Jack Nicholson) in the Nancy Meyers movie ‘Something’s Gotta Give’ has become inspiration for TikTok’s coastal grandmother trend. (Photo source: Warner Bros. Pictures/Columbia Pictures)