Grammy viewers fear wardrobe malfunction: Rihanna, put your arms down now!

Everytime @rihanna lifted up her arms it looked like a potential wardrobe malfunction. #Grammys #PeopleGrammys

— Samantha M (@bamsenlove5) February 11, 2013

Dress code-flouting Rihanna participated in a Bob Marley tribute on stage at the Grammys tonight. Viewers — and probably the CBS fashion police force — watched in mock horror as she almost caused a major wardrobe malfuction. Out: Sideboob. In: Underboob. Egad:

https://twitter.com/NoelMarie5/status/300804534068969474

https://twitter.com/LipsLikePOWW/status/300804954099159041

https://twitter.com/tegann11/status/300805057211949056

https://twitter.com/AnnieWeinberg5/status/300796730411192321

https://twitter.com/Amber_romAnCE1/status/300796079413293057

If Rihanna raises her arms any higher … her goods would be showing

— Drennan Live! (@DrennanLive) February 11, 2013

Rihanna better put her arms down before the escort her out.#Grammyrulessaynoboobscheeksout.

— Angela Quick (@mskoffeebrown) February 11, 2013

wonder if rihanna did the arms above the head test with that outfit she was wearing. CBS almost had themselves another #wardrobemalfunction.

— akb (@adamkbutler) February 11, 2013

https://twitter.com/SharonLLevy/status/300804828475559936

https://twitter.com/xyzceecee/status/300806471640313857

Watch:

Rihanna performing a Bob Marley tribute at the Grammy Awards http://t.co/O5bOlkjQ

— Keeley louise (@keeleylou25) February 11, 2013