Bloom thought we may have been visited by a UFO, while Lowe wrote that Elon Musk's Falcon 9 rocket on its way to low-Earth orbit was "incredible."
Chris Brown, however ... was very confused.
The launch went off without a hitch, SpaceX confirmed 10 satellites have been deployed successfully.
If you didn't get a chance to check out the launch, just open Instagram!
A post shared by ??? ?? (@chrisbrownofficial) on Dec 22, 2017 at 5:50pm PST
A post shared by Rob Lowe (@robloweofficial) on Dec 22, 2017 at 5:46pm PST
A post shared by Ashley Benson (@ashleybenson) on Dec 22, 2017 at 6:17pm PST