Yup, Will Smith went there.
Justin Timberlake had no idea what he was getting himself into.
The 36-year-old singer innocently welcomed Will Smith to Instagram on Thursday with a tutorial on Throwback Thursday, but we have a feeling Smith's response is a little more than he bargained for.
Smith took to his newly created account on Friday to thank Timberlake for the post, before offering him some hilarious advice for his upcoming Super Bowl halftime performance.
"JT! Thanks a lot man for the post, the brief education about Instagram, man, because this is my first day, so I appreciate the hookup. But I know what Throwback Thursday is, man. I ain't been in a hole," Smith said, before sharing "things to avoid at the Super Bowl" -- and flashing his nipple!
"Avoid that. Avoid that," he said with a laugh, obviously referencing Timberlake's last time on the Super Bowl halftime stage in 2004, when he exposed Janet Jackson's breast.
"I'm stupid," Smith cackled. "You're the man, I love you."
Interestingly enough, a source told ET in October that Jackson had not been approached to perform with Timberlake at the Super Bowl, but wouldn't say no to the opportunity.
“The door is wide open,” the source said. “If Justin or his team did reach out, Janet would perform with him again in a minute.”
See more in the video below.