Tweets of the week: Federer's phone survives heights, Sloane with FLOTUS

Roger Federer's phone survives the heights, Sloane Stephens hangs out with Michelle Obama and Wimbledon gets a makeover. Here are some of the best tweets of the week.
Don’t drop the phone. Don’t drop the phone. #skiliftselfie pic.twitter.com/imKAGW0043
— Roger Federer (@rogerfederer) July 23, 2014
Always amazing @FLOTUS pic.twitter.com/EnGPbeZl0U
— sloanestephens (@SloaneStephens) July 23, 2014
Bruno posing in his new gift I got today from Adidas!! #danishfootball #nr1 pic.twitter.com/ZQTEMW5141
— Caroline Wozniacki (@CaroWozniacki) July 23, 2014
Thx PA hope u'll b calling the match when I do!“@paul_annacone: Thx for the opp @sloanetweets looking forward to seeing u holding trophies!”
— sloanestephens (@SloaneStephens) July 24, 2014
Job done, grass gone on Centre Court... pic.twitter.com/WjTgvNngke (pic via @AELTCGroundsman) #Wimbledon #49weekstogo
— Wimbledon (@Wimbledon) July 24, 2014
guy next to me at airport keeps clearing his throat - sounds like he's starting a lawnmower. maybe some water instead of the 2nd ice cream?!
— Jamie Murray (@jamie_murray) July 24, 2014
On the cover of the August issue of @ElleQuebec :) pic.twitter.com/Plo1Fgmudt
— Genie Bouchard (@geniebouchard) July 23, 2014
Learning about women's hair braids with @Madison_Keys Grace Min @LaurenDavis93 @ChristinaMcHale Ellie H .... pic.twitter.com/6Bo1VTbfk6
— Bucky Skeleton (@BuckyLetsDoThis) July 23, 2014
hahahahha "BEFORE ANYONE ELSE" “@MardyFish: I might be late to the party, but what is a "Bae"???”
— sloanestephens (@SloaneStephens) July 23, 2014
Is that @paul_annacone making a cameo in Taken? pic.twitter.com/ybnlCXg6ck
— Billy Heiser (@BillyHeiser) July 23, 2014
I hate myself for asking this but can you get married on the Kim Kardashian app? #sorrynotsorry
— Laura Robson (@laurarobson5) July 21, 2014
Come at your own risk! #dontmesswithme zlatkonovkovic #dejan #ajde http://t.co/QA8KdkSNIQ
— Ana Ivanovic (@anaivanovic) July 21, 2014
