Janet Jackson Mum on Justin Timberlake Reunion, But Back with Jenna Dewan

TMZ Staff

socastcmsRssStartTMZ StaffsocastcmsRssEnd[[tmz:video id=”0_dctnlc8a”]] Janet Jackson threw the hottest high school reunion Sunday night at the Hollywood Bowl, bringing back a ton of her OG backup dancers — but she’s not letting on if a Justin Timberlake reunion is in the cards. We got Janet…