Miley Cyrus, Snoop Dogg and a host of other musicians took to social media on Monday (April 20) to puff, puff, pass and celebrate 4/20."I won't be smokin' but the rest of my fam sure will be tokin'...Happy 4/20 y'all," Cyrus captioned an Instagram post featuring three animated versions of herself lighting up under the heading "Miley High Club." Her dad, Billy Ray Cyrus, and sister Noah Cyrus have previously discussed their appreciation for marijuana.Snoop, meanwhile, took it upon himself to act