The 51-year-old pop queen had sparked concerns about her obsession with shape & fitness with her prominent biceps and frequent trips to the gym. However, she defended her rigorous fitness regime, insisting she needs to keep in shape because it''s her job.

She added: “I''m not panicked, I just know what my job is and I know that if I want to be able to wear whatever I want to wear on stage then my body better look good."