Ryan Reynolds officially launched his account on Wednesday giving fans a little throwback fun. The 44-year-old lip synced to «I Swear» by the group All-4-One just like his character, Chris Brander, hilariously does in front of the mirror in the 2005 film . «I swear you will be disappointed by this account,» the father of three jokingly captioned the post. I swear you will be disappointed by this account.Reynolds didn't just join TikTok for fun.