Lady GaGa feels ''so grateful'' for her Grammy Award.

The 28-year-old picked up a trophy in the Traditional Pop Vocal Album for her record with jazz icon Tony Bennett, 'Cheek to Cheek' at the ceremony in Los Angeles last night (08.02.15) and gushed about the victory on Twitter where she thanked all of their fans.

She wrote: ''We WON! @itstonybennett & I are so grateful to win this Grammy together! Thank you to our fans! Benedettos, lil' monsters & @theGrammys!

''I can't believe it WOW this is my 6th Grammy!! I could never do this without amazing fans, always stay true to yourself I love you so much! (sic)''

The 88-year-old crooner - who has won the title 11 times previously - also expressed his gratitude for the win, stating he felt ''so proud'' to have been commended for the LP, which features various jazz standards.

He shared: ''Cheek To Cheek tour is just starting out and @ladygaga and I just won a Grammy together! So proud. (sic)''

As well as picking up the award and performing the title track from their collaborative LP, Lady Gaga congratulated 'Stay With Me' singer Sam Smith who picked up four awards, and Beck who won in the coveted Album of the Year category for 'Morning Phase'.

She said: ''I'm so proud of my darling SAM SMITH for all his wins tonight! You deserve everything and more because you are YOU. I was honored to watch!

''BECK! I'm so happy this album is AMAZING!!!! ALBUM OF THE YEAR! (sic)''

The 57th Annual Grammy Awards will be broadcast exclusively on 4Music in the UK at 9pm tonight (09.02.15).