Grammy Award-winning pop star Shakira said Thursday that she is expecting her second child with her soccer-pro boyfriend, Gerard Piqué of Spain's FC Barcelona team. "Yes, we are expecting our second baby!" Shakira, 37, tweeted following a report by Cosmopolitan magazine's Spanish edition. "Thank you all for your well wishes!" She added, in Spanish, "The Piqué Mebarak family continues to grow!" referring to her own family name. "Thank you all for your messages of love!" The couple's first child, son Milan, was born in January 2013.