17 May,2013 02:54 AM IST | | ANI
The 31-year-old rock star, who pulled out of the show citing exhaustion and dehydration, apologised to her fans for any disappointment she has caused and thanked them for their support, the Mirror reported.
She wrote: "Thank you for your concern. I''m feeling much better now and I''m ready to give you a great show." u00a0The singer will hit the stage of the Sportpaleis Arena in Antwerp on Wednesday night.
The news came after speculation mounted that the âBaby Boy' singer may be pregnant with her second child with husband Jay-Z.