Where Have You Been (Rihanna)(01 of10)
Open Image ModalUS Republican presidential candidate and former Massachusetts Governor Mitt Romney (L) shakes hands with his running mate Wisconsin Representative Paul Ryan in front of the campaign bus prior to each boarding their own campaign airplanes at General Mitchell Airport in Milwaukee, Wisconsin, August 12, 2012. (Photo credit should read SAUL LOEB/AFP/GettyImages) (credit:Getty)
Happy Together (The Turtles)(02 of10)
Open Image ModalWAUKESHA, WI - AUGUST 12: Republican presidential candidate and former Massachusetts Gov. Mitt Romney and vice presidential candidate and Wisconsin native Rep. Paul Ryan (R-WI) (L) greet supporters during a campaign event at the Waukesha Expo Center on August 12, 2012 in Waukesha, Wisconsin. (Photo by Darren Hauck/Getty Images) (credit:Getty File)
Right By My Side (Nicki Minaj, Chris Brown)(03 of10)
Open Image ModalRepublican presidential candidate, former Massachusetts Gov. Mitt Romney, left, listens to his vice presidential running mate, Rep. Paul Ryan R-Wis., as they campaign Sunday, Aug. 12, 2012, in High Point, N.C. (AP Photo/Mary Altaffer) (credit:AP)
Only Wanna Be With You (Hootie & The Blowfish)(04 of10)
Open Image ModalWAUKESHA, WI - AUGUST 12: Republican presidential candidate and former Massachusetts Gov. Mitt Romney and vice presidential candidate and Wisconsin native Rep. Paul Ryan (R-WI) (L) hug after speaking at a campaign event at the Waukesha Expo Center on August 12, 2012 in Waukesha, Wisconsin. (Photo by Darren Hauck/Getty Images) (credit:Getty )
I Cry (Flo Rida)(05 of10)
Open Image ModalWAUKESHA, WI - AUGUST 12: Republican presidential candidate and former Massachusetts Governor Mitt Romney (R) looks on as his running mate Rep. Paul Ryan (R-WI) wipes away tears during a homecoming campaign rally at the Waukesha County Expo Center on August 12, 2012 in Waukesha, Wisconsin. (Photo by Justin Sullivan/Getty Images) (credit:Getty )
You're My Best Friend (Queen)(06 of10)
Open Image ModalRepublican presidential candidate, former Massachusetts Gov. Mitt Romney, left and running mate Rep. Paul Ryan, R-Wis., talk in the campaign bus before an event at the Waukesha county expo center, Sunday, Aug. 12, 2012 in Waukesha, Wis. (AP Photo/Mary Altaffer) (credit:AP)
Wouldn't It Be Nice (The Beach Boys)(07 of10)
Open Image ModalWAUKESHA, WI - AUGUST 12: Republican presidential candidate and former Massachusetts Gov. Mitt Romney and vice presidential candidate and Wisconsin native Rep. Paul Ryan (R-WI) (L) greet supporters during a campaign event at the Waukesha Expo Center on August 12, 2012 in Waukesha, Wisconsin. (Photo by Darren Hauck/Getty Images) (credit:Getty )
I'll Stand By You (The Pretenders)(08 of10)
Open Image ModalRepublican presidential candidate, former Massachusetts Gov. Mitt Romney, right, and his newly announced vice presidential running mate, Rep. Paul Ryan, R-Wis., left, greet supporters, during a campaign rally in Manassas, Va., Saturday, Aug. 11, 2012. (AP Photo/Pablo Martinez Monsivais) (credit:AP)
Two Tickets To Paradise (Eddie Money)(09 of10)
Open Image ModalRepublican presidential candidate, former Massachusetts Gov. Mitt Romney, right, and vice presidential running mate Rep. Paul Ryan R-Wis. are joined by Ronmey's granddaughter Chloe while talking to reporters on the charter flight between Virginia and North Carolina, Saturday, Aug. 11, 2012. (AP Photo/Mary Altaffer) (credit:AP)
We Found Love (Rihanna)(10 of10)
Open Image ModalWAUKESHA, WI - AUGUST 12: Republican vice presidential candidate and Wisconsin native Rep. Paul Ryan (R-WI) (L) wipes away tears as he and presidential candidate and former Massachusetts Gov. Mitt Romney greet supporters during a campaign event at the Waukesha Expo Center on August 12, 2012 in Waukesha, Wisconsin. (Photo by Darren Hauck/Getty Images) (credit:Getty)