The Curiosity rover's Twitter account can be a little strange. This week she was girl-talking with Britney Spears and talking space travel with Nancy Sinatra. So, we have to ask, who makes the better friend for Curiosity?

It was Spears who initiated her friendship with the rover earlier Wednesday when she asked whether the weather on the red planet had changed in the 12 years since Spears last visited:

So @marscuriosity... does Mars look the same as it did in 2000? viddy.com/video/3cea9a58…

— Britney Spears (@britneyspears) August 15, 2012

This is where we have to disappoint you and tell you that, no, Britney Spears has never been to Mars. She's talking about the video for her 2000 hit 'Oops... I Did It Again," where she danced in the Power Rangers' home base on Mars before falling in love with an astronaut. Warning: don't watch this unless you're prepared to be humming it for the rest of the day.

It would be rude if the rover ignored such a modest question from a former queen of pop, so Curiosity reported back that things are great on Mars, but her love life could use some work:

@britneyspears Hey Brit Brit. Mars is still looking good. Maybe someday an astronaut will bring me a gift, too. Drill bits crossed ;)

— Curiosity Rover (@MarsCuriosity) August 15, 2012

We're rooting for you, gal. 

On Friday night, she made another famous new friend. The Curiosity team revealed the playlist they use to wake her up every day included no-brainer 'Come Fly With Me' by Frank Sinatra during their Reddit AMA. Sinatra's daughter Nancy, herself a pretty successful singer, thanked Curiosity for listening to her pop's old songs:

Hey, Curiosity. Thanks for liking my dad's music!! He's been to the moon so why not Mars too?!! @marscuriosity

— Nancy Sinatra (@NancySinatra) August 18, 2012

It's because they share similar interests, as Curiosity pointed out:

@nancysinatra Fly me to the moon, play among the stars, see what spring is like on Jupiter & Mars? That's @nasa's #GRAIL, @nasajuno & me!

— Curiosity Rover (@MarsCuriosity) August 18, 2012

As much as we want to root for Sinatra here, Spears is the better BFF choice. Curiosity's a bigger fan of Sinatra's dad. Spears is closer in age, and it's hard to beat two girls bonding over boys. Sorry, Nancy. The picture above is one of the best pictures of Mount Sharp Curiosity has sent back yet. It seems things are going alright up there. 

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