Several big movie trailers were recently released and summer television shows are currently either wrapping up or heating up, and people are taking to Twitter to talk about them. The Bachelorette, which aired its finale, and Teen Wolf are among the most tweeted about Monday night shows, while the latest 50 Shades of Grey, Mockingjay- Part 1, Maze Runner and The Hobbit: Battle of the Five Armies trailers and teasers have also garnered extensive attention on social media. Celebrities and non-celebs alike are promoting them and/or reacting to them.

As for other celebrity tweets? They ran the gamut on the day, from commenting on the Young Hollywood Awards, which aired at 8 p.m. on the CW network, to promotions, to sharing photos, words of wisdom and reactions to news tidbits (sports, entertainment, etc), and more.

Of the many celebrity tweets on Monday, July 28, 2014, here are some of the best:

Orange is the New Black star Uzo Aduba commented on the Young Hollywood Awards

Andrew Rannells reacted to The Bachelorette

Newlywed Missy Peregrym shared an adorable picture

Michael Ian Black tweeted about 50 Shades of Grey

Marlow Stern commented on a recent incident involving a celebrity he likes

Kirstie Alley shared some words of wisdom

Skip Bayless tweeted a reaction to a certain piece of sports news

These guys promoted their upcoming movie (based on the book series), The Maze Runner:

Star Dylan O'Brien

Actor Will Poulter

James Dashner, author of the book series

And these celebrities promoted other projects:

Luke Evans

Shelley Hennig

Rob Lowe