Social Scene: Week of August 14

Mariah Carey hangs out with Serena Williams backstage, Nicki Minaj leaves little to the imagination in a sheer bodysuit and Kim Kardashian hangs out with her niece, Dream.

Those were just some of our favorite moments in the world of celebrity Instagrams this week.

SEE ALSO: Kim Kardashian literally sparkles in figure-hugging jumpsuit during 'secret' photo shoot: Watch!

Also on the list? Reese Witherspoon asks us to call her on her "shell phone," Ariana Grande sings an old Spice Girls tune, Kourtney Kardashian blows a kiss to a camel in Egypt and Yara Shahidi promoting her Always #LikeAGirl campaign.

More of our favorite snaps came from birthday boy Joe Jonas, Miley Cyrus and Rita Ora, who donned some pretty epic Paris Hilton sweatpants.

See our favorite celebrity Instagrams of the week:

Social Scene: Week of August 14
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Social Scene: Week of August 14
With the beautiful @serenawilliams backstage tonight ๐Ÿ˜˜
That's a wrap for today! Thanks for hanging out with me and Always๐Ÿ˜Š! Join our mission and encourage girls to try, fail, learn and Keep Going #LikeAGirl ๐Ÿ’™
Even her cry face is pretty! I'm gonna take notes!
Call me on my shell phone... ๐Ÿš #VacationVibes #SummerFun
BIG LOVE and thanks to my friends @henriquegendre @erinparsonsmakeup @brycescarlett @elizabethsulcer @nailsbykiyookada NEW @voguekorea September covers !!! โค๏ธ๐ŸŒถ๐Ÿ“€๐Ÿ”’
forever m00d #forgotthebridge #imissagoodharmonicasolo
Dear Lord I love this dress! #gucci
I โค๏ธ ๐Ÿณ๏ธโ€๐ŸŒˆ !!!!!!! #TeamMiley @nbcthevoice #Malibu
no tongue
๐ŸŽ€๐Ÿฆ‹๐Ÿ˜‰๐Ÿ‘ ๐Ÿฆ‹๐Ÿ˜‰
Took a drive along the coast today.
Always @parishilton ๐Ÿ‘ฉโ€โค๏ธโ€๐Ÿ‘ฉ
So proud to share that this Thursday we are launching our first ever @goodamerican GOOD SWEATS!! The sexiest, most comfortable range of sweats EVER, designed to accentuate curves and complement your shape!! Drops on August 17 at 9am PT in ALL SIZES #GoodSquad #GoodSweats
new things over at @chromeheartsxbella soon โ›‘๐ŸŽ’๐Ÿ‘ 
My sweet, cuddly, hilarious Havie Pie turns 6 today! #happybirthday my angel. I love you so much! You sweeten every day with your pure loving heart and contagious laughter. ๐ŸŒˆ๐Ÿฆ„๐ŸŽ‚ I'm so blessed to be your momma.
Helping these zucchinis LIVE THEIR BEST LIFE #NikkiFresh ๐Ÿฅ•๐Ÿ…๐Ÿฅ’
Don't be afraid to be sparkle. โœจ๐Ÿ‘ธ๐Ÿผโœจ
#freckleface the tan is gone :(

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