Thalia took to Twitter to wish everyone a Happy Monday! She later tweeted advice to everyone on getting regular checkups to stay healthy. The tweet linked to a photo she uploaded on her Instagram of her arm with a butterfly needle in it.

She also posted an inspirational quote to her Facebook page starting her off to an "excellent" work week.

Thalia isn't the only one looking forward to a great week. Demi Lovato, former Disney star posted Instagram photos of herself during her Demi World Tour set to wrap up on Monday.

She flashed her abs in a couple of pictures with a crop top on. Former Disney star once suffered from an eating disorder in her teens but is now happy to show off her healthy body.

Demi posted a picture of her lifting weights at the gym. "Post party workout.. pullin' my best Pop-eye... I've been eating my spinach! #comeatmebruh #dedication," she posted with the pic.

Jennifer Lopez posted a mini video of her performance with Iggy Azaela for the song "Booty." Iggy stood by while JLo stole the spotlight shaking her booty like a salt shaker in a shiny silver, short hula-looking skirt. The post captioned, "ShakeThat #JLoBooty @thenewclassic #wcs #hollywoodbowl."

She then posted a photo of three white flower petals side by side writing, "These petals looked like hearts mama so they are for you.."

JLo flaunted her flawless body in a bikini shot with pearls around her waist stating that it was so chilly in the morning and she wishes it were still summer.

Selena Gomez posted a pitch stitched photo of her and her BFF Taylor Swift captioning, "From hotel room album listening parties, kitchen dance floor album listening parties to driving on the pch, windows down album listening parties. -The best part is we were the only ones there. Each time. So happy, honored and proud to know you and your diaries.@taylorswift #1989 BUY IT!!! -now I'll listen live from drowning in my bed sheets."