Newly Single Katy Perry Has The Blues

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Are you trying to tell us something, Katy Perry?

Donning head-to-toe blue -- literally! -- Perry looked lovely in a sparkly backless Elie Saab gown, paired with $2 million worth of Norman Silverman jewels, and Christian Louboutin heels, at the Grammy awards on Sunday evening.

The 27-year-old singer, who split from hubby Russell Brand in December, is nominated for Record Of The Year and Best Pop Solo Performance, for her hit song “Firework”

Perry Tweeted after entering the Staples Center for the ceremony, “You know it’s a great day when you walk into the Staples Center and all The Beach Boys are physically playing on stage.”