At the end of each week, #Top40Tweets lists a cross-section of artists on the current pop charts and puts their tweets on display (along with their current chart number) for your enjoyment/scrutiny. This week, we look at 5 artists on the Billboard Music Charts.

#71: Demi Lovato – Give Your Heart A Break

17 bodyguards?! How did they not just form a human wall around her?

FUN FACT: Perhaps taking a page from Katy Perry’s ill-advised book, Demi Lovato recently covered Kanye West & Jay-Z’s “Niggas In Paris” while in Lima, Peru.

(Uncharted): Ke$ha – Blow

She’s not wrong.

FUN FACT: Ke$ha and Wayne Coyne (of the Flaming Lips) recently recorded a song about futuristic sex toys for Ke$ha’s new album.

#29: Rihanna – Birthday Cake

Sorry girl, he’s just not that into you.

FUN FACT: Rihanna just made TIME’s 100 Most Influential People list.

(Uncharted): Miley Cyrus – The Climb

How exactly do you cut up your finger while using a blender? Did no one tell Miley that she needed to shut it off before reaching in to grab a handful of smoothie?

FUN FACT: Miley is starring in an upcoming film called LOL, which is meant to assist her transition from child-star to legitimate adult actress. LOL!

#24 (Myspace Songs): Lady Gaga – Poker Face

Little does she know, FOG is also an acronym created by her tour crew for “Fuck off, Gaga.” For example…

Gaga: “I want to come to stage in a spaceship shaped like a vagina.”

Crew: “F.O.G.”