Get your best sexy-back joke ready, because Justin Timberlake and Destiny's Child are making sweet, sweet music again. Twitter exploded into an OMG-laden tween flurry when news leaked early Thursday that the circa-2000 pop sensations were back in the studio doing what they do best. Timberlake teased the frothing masses with a countdown and subsequent teaser vid of him wearing a fedora. Meanwhile, Beyoncé, Kelly Rowland, and Michelle Williams announced that a new album called Love Songs will be out Jan. 29. Here, we rounded up 13 of the best reactions from across an oddly re-pubescent Twittersphere: