The singer glams up for the launch of her new fragrance for men in N.Y.C. Plus: Eva Longoria Parker, Zac & Vanessa, Ellen & Portia, Teri Hatcher and more

STUDENT EXCHANGE

'High School' sweethearts Zac Efron and Vanessa Hudgens take their studies abroad Sunday, traveling to Sweden to promote the third installment of their hit musical, High School Musical 3: Senior Year. The flick hits theaters Oct. 24.