Lady Gaga Busy In 'Born This Way Ball' World Tour 2012 Rehearsals

The 'Marry The Night' singer says she is feeling "bad to the bone" as she prepares for her upcoming jaunt.

Lady Gaga has confessed that she us feeling "bad to the bone" after an intesnse session of rehersals for her upcoming 'Born This Way Ball' world tour which kicks off next month.

The 'Bad Romance' singer took to her Twitter account this morning (10th March) to let her know that her body is suffering but she is loving preparations for her latest outing.

She tweeted: "Love getting my ass kicked in rehearsal. Everything hurts and I love it. Broke every nail and tangled every hair this week. Bad to the Bone."

The 'Born This Way Ball' tour will begin with a date in South Korea at the end of April and the singer added further dates to the jaunt due to high demand earlier this week.

The singer recently took to Twitter to say how she had got "goosebumps" when she first saw the tour set .

Lady Gaga is expected to add UK and European dates to the 'Born This Way Ball' tour soon.