Between posing for magazine covers, hanging with the likes of Beyoncé and Kate Middleton and winning 22 major titles, it's a wonder that Serena Williams has the time to post to her 3.8 million Instagram followers. But she does, and, for that, we are grateful. *prayer hands emoji*
British diver Tom Daley will fill your feed with some adorable selfies, teasers from his YouTube channel and workout videos showing how he got *those* abs.
Olympic soccer star Alex Morgan loves to share videos of her scaring her teammates, along side game-day photos and her Met Gala glam. Give her a follow to see some silly selfies out of #Rio2016.
Swimmer Michael Phelps holds the title of the most decorated Olympian of all time. He also sometimes holds his adorable baby, Boomer. See Michael and Baby Boomer take on Rio this summer by giving them both a follow on the 'Gram.