Best of Instagram: You know the science guy, Bill Nye (@billnye)? He posts hilarious selfies with celebrities from Barack Obama to Seth Rogan.

Best of Instagram: Steven Yeun (@steveyeun) of ‘The Walking Dead’ fame posts awesome, artsy pics, and lets you experience celebrity life.

Best of Instagram: For the most unexpected, bizarre mix of images you will ever thumb through, follow @imamysedaris.

Best of Instagram: She’s young, talented, glamorous and hilarious! Get a glimpse into the life of ‘Game of Thrones’ star, Maisie Williams @maisie_williams.

Best of Instagram: For some of the funniest classical art turned into memes, check out @classical_art_memes.

Best of Instagram: For the best daily fitness inspiration and advice for women, follow @fitnessgirlsmotivation.