Ahlam thanks Princess Ameerah for her invitation.DUBAI — Popular UAE starlet Ahlam was singing a more charitable tune when she attended the launch of a children's cancer charity, according to AlBawaba.com. The ‘Smile' campaign is the latest project to have the royal seal of approval from popular philanthopist, Princess Ameerah Al-Taweel. The wife of Prince Alwaleed Bin Talal, invited Ahlam to join her in her fight to help young cancer sufferers. Ahlam took to Twitter after the event to thank the Princess for her invite: “A million thanks to Princess Ameerah for her warm hospitality and many thanks for her admiration and thanks for supporting such a meaningful cause that shows the goodness of her heart and generosity." — Agencies