Tweets of the week: Federer crashes Murray's Twitter Q&A

This week, Roger Federer crashed Andy Murray's Twitter Q&A with comments about his hair, Serena Williams got motivated for her Indian Wells return and Caroline Wozniacki has some fun with Agnieszka Radwanska.
[tweet=https://twitter.com/rogerfederer/status/576059530263461888]
[tweet=https://twitter.com/rogerfederer/status/576063769396248576]
[tweet=https://twitter.com/milosraonic/status/576066067740499969]
[tweet=https://twitter.com/theljubicic/status/576069044991733760]
And he chose my racket? :)“@head_tennis: @justinbieber is warming up for the Desert Smash tennis event! #gameraiser pic.twitter.com/OaDkZtbdFz”
— Maria Sharapova (@MariaSharapova) March 12, 2015
Reunited with one of my most favorite people in the world! @delpotrojuan pic.twitter.com/DTfwbDqUtr
— Mardy Fish (@MardyFish) March 11, 2015
Love watching @TaylorTownsend
— Andy Murray (@andy_murray) March 13, 2015
Time to rewrite my story, together with Indian Wells. #dothework pic.twitter.com/nUJ8oeRp6q
— Serena Williams (@serenawilliams) March 13, 2015
Very excited to be through today. So happy that Mardy is back healthy and able to play the game again. #respect pic.twitter.com/y6pDMlOWej
— Ryan Harrison (@ryanharrison92) March 13, 2015
One of those days 😂😂😂🙈 #BNPParibas pic.twitter.com/JNd4T1kx6F
— victoria azarenka (@vika7) March 12, 2015
And they say us @wta girls aren't friendly with each other... 😉 @AnaIvanovic @ARadwanska pic.twitter.com/eEWWEvvLPW
— Caroline Wozniacki (@CaroWozniacki) March 12, 2015
Certainly a first for me 😊#Randy'sCafe #bestbreakfastinthedesert pic.twitter.com/Acsis45DJh
— Lisa Raymond (@lisaraymond73) March 11, 2015
Just another night in the desert @justinbieber #beliebit pic.twitter.com/oUmGaQL7uy
— Caroline Wozniacki (@CaroWozniacki) March 11, 2015
[tweet=https://twitter.com/serenawilliams/status/576424862077485056]

Contributor, SI.com Nguyen is a freelance writer for SI.com, providing full coverage of professional tennis both on and off the court. Her content has become a must-read for fans and insiders to stay up-to-date with a sport that rarely rests. She has appeared on radio and TV talk shows all over the world and is one of the co-hosts of No Challenges Remaining, a weekly podcast available on iTunes. Nguyen graduated from the University of California, Irvine in 1999 and received a law degree from the University of California, Davis in 2002. She lives in the Bay Area.