Exclusive: Scarlett Johansson, Sean Penn "All Over Each Other" in Mexico

Celebrity Body March 11, 2011 AT 12:42PM By UsWeekly Staff

Credit: John Shearer/Getty Images; Jon Kopaloff/FilmMagic

Scarlett Johansson is so over Ryan Reynolds.

The actress, 26, and new love Sean Penn, 50, kicked off a steamy 24-hour getaway at the Las Ventanas al Paraiso resort in Cabo San Lucas, Mexico, March 2.

PHOTOS: Can you believe these couples' age differences?

"They were acting like teenagers in love and were all over each other," a source tells the new issue of Us Weekly (on stands now). "Kissing a lot and chain smoking."

PHOTOS: Odd couples

After retreating to their $3,860-a-night ocean-front suite, the handsy duo didn't emerge until 2:00 the following afternoon for a liquor-loaded lunch at the hotel's Sea Grill (three margaritas and a shrimp cocktail for her, three pina coladas and lobster for him).

"She's head over heels," a source says of Johansson.

PHOTOS: Scarlett's life as a married woman

The twosome then returned to their room for three more hours of alone time before boarding a private jet to L.A.

For more details on their steamy tryst, pick up the new issue of Us Weekly, on stands now!

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March 17, 2011 - 1:55pm Aimee Mullen
EWW....that is gross, im all for age dif but that is TOOO much...hes 50 and shes not even 30...i bet she likes those old man balls,LOL.
March 14, 2011 - 10:35am Elizabeth Morgan
"Kissing a lot and chain smoking." Ew, and ew. At least we won't have to hear about it for long, because it won't last.
March 13, 2011 - 12:21pm Renal McBean
Oh PLEAZE, why are you all hating? He is old enough to be anything, president, professor, etc...the most important thing is that he 'HE IS NOT THE FATHER!!! I think some of you have no real principle in life but some old-wives-tale. He might be WAY better than your man th 50. Go Sean show em young punks how itz done hard and long like your life, which some of them might not live to see!!!
March 12, 2011 - 1:00pm Annalee Jackson
I love how there are NEVER any photos of all this kissing, hand holding, and canoodling to back up the story...of course this IS Sean Penn we are talking about...maybe the photogs were afraid he'd smash their cameras or something. Kidding. But in all seriousness, there are too many stories like this on USMag. Just sounds so unsubstantiated without photos. Hard to believe not ONE single person with a smartphone got a snap of all this supposed PDA.
March 12, 2011 - 12:16pm Filomena Araujo
Gross! Noone wants to hear that she is making out with a man old enough to be her father. Just the thought of it makes me kinda nauseaus.
March 12, 2011 - 4:05am Serge Gal
S.J. is stolen biological material, taken against will and formed to clones line 200 pieces total. Sign of dangerous criminal activity. Original Scarlett Galabekian future pediatrician doctor, pediatrician nurse license she obtained in 2008
March 11, 2011 - 9:13pm Kristen Haughey
they are disgusting. he is old enough to be her father and she is scarlett johannsson.
March 11, 2011 - 7:30pm Macy Ess
Madonnas ex husband and one of Brad and Angies buddies. That says it all.
March 11, 2011 - 6:08pm Jaime Leach Morgan
*PUKE* She went from GORGEOUS RYAN REYNOLDS to the Crypt Keeper.........Way to go, Scarlett. Disgusting.
March 11, 2011 - 5:43pm Emily Yeager Watson
I agree with Tina and Stefanie ... eewww!!
March 11, 2011 - 3:40pm Tina Scowen
ewwww,nothing more to say. Just ewwwww!
March 11, 2011 - 1:50pm John D
Gross. He is ugly, stupid and pathetic. What is she thinking???
March 11, 2011 - 1:29pm Stefanie Trump-Ludwig
EW, I bet these two smell really great together with all of the chain smoking US says they do together. Gross. BOTH of them.