Courteney Cox and Johnny McDaid(01 of20)
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Nikki Reed and Ian Somerhalder(02 of20)
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Taylor Kinney and Lady Gaga(03 of20)
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Adrienne Bailon and Lenny Santiago(04 of20)
Open Image Modal (credit:Andy Kropa /Invision/AP)
Scarlett Johansson and Romain Dauriac(05 of20)
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Joe Manganiello and Sofia Vergara(06 of20)
Open Image Modal (credit:Evan Agostini/Invision/AP)
Peter Facinelli and Jamie Alexander(07 of20)
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Allison Williams(08 of20)
Open Image ModalThe "Girls" star is engaged to longtime boyfriend, Ricky Van Veen (middle in picture). (credit:Getty)
Hayden Panettiere and Wladimir Klitschko(09 of20)
Open Image ModalPanettiere announced their engagement on "Live With Kelly & Michael" on Oct. 9, 2013. (credit:Getty)
Olivia Wilde and Jason Sudeikis(10 of20)
Open Image ModalWilde and Sudeikis got engaged in Jan. 2013 and are currently expecting their first baby. (credit:Getty)
Christina Aguilera(11 of20)
Open Image ModalChristina is engaged to longtime boyfriend, Matthew Rutler. (credit:Getty)
Zayn Malik(12 of20)
Open Image ModalThe One Direction singer is engaged to girlfriend Perrie Edwards. (credit:Getty)
Jamie-Lynn Sigler(13 of20)
Open Image ModalThe actress is engaged to Cutter Dykstra -- and expecting her first baby! (credit:Getty)
Brandy and Ryan Press(14 of20)
Open Image ModalBrandy got engaged to Press in Dec. 2012. (credit:AP)
Jennifer Aniston and Justin Theroux(15 of20)
Open Image ModalAniston and Theroux got engaged in Aug. 2012 and are currently planning their wedding. (credit:Getty)
Guy Ritchie and Jacqui Ainsley(16 of20)
Open Image ModalRitchie is set to wed girlfriend Ainsley after the pair got engaged in Oct. 2012. (credit:Getty)
Jesse Metcalfe and Cara Santana(17 of20)
Open Image ModalMetcalfe and Santana have been engaged since Jan. 2012. (credit:AP)
Naomi Watts and Liev Schreiber(18 of20)
Open Image ModalWatts revealed Schreiber gave her a ring in Jan. 2010, but the pair have yet to confirm whether or not they've actually tied the knot. (credit:Getty)
Amy Adams and Darren Le Gallo(19 of20)
Open Image ModalAdams has been engaged to Le Gallo since July 2008. The pair have a daughter, Aviana, together. (credit:Getty)
Jennifer Hudson and David Otunga(20 of20)
Open Image ModalHudson and Otunga have been engaged for five years and have a son together. (credit:Getty)