Syndey Sweeney's SYRN brand. SYRN/TikTok Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment When Justin Bieber moodily slouched into the spotlight at Sunday's Grammy Awards, strumming his low-fi version of "Yukon," all eyes were on his ... shimmering baggy boxers.