Presley's granddaughter engaged

After six months of dating, Elvis Presley's granddaughter, model-actress Riley Keough, is engaged to British actor Alex Pettyfer, Us Weekly reports. The couple met on the set of the upcoming male stripper movie "Magic Mike," which stars Channing Tatum. Pettyfer, 21, is best known for his starring role in the 2011 teen sci-fi flick "I Am Number Four." He has previously dated actresses Emma Roberts and Dianna Agron. As for Keough, 22 -- daughter of Lisa Marie Presley and her first husband, musician Danny Keough -- her exes include Ryan Cabrera and Jonah Hill.

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Presley's granddaughter engaged

After six months of dating, Elvis Presley's granddaughter, model-actress Riley Keough, is engaged to British actor Alex Pettyfer, Us Weekly reports. The couple met on the set of the upcoming male stripper movie "Magic Mike," which stars Channing Tatum. Pettyfer, 21, is best known for his starring role in the 2011 teen sci-fi flick "I Am Number Four." He has previously dated actresses Emma Roberts and Dianna Agron. As for Keough, 22 -- daughter of Lisa Marie Presley and her first husband, musician Danny Keough -- her exes include Ryan Cabrera and Jonah Hill.