On December 4, Mary-Kate Olsen and her boyfriend Nate Lowman managed to squeeze a quiet dinner with friends in amongst all the Art Basel parties. The two looked happy and content, enjoying each other’s company.

Later that night, they headed to the Audi party where MK supposedly fought with Kirsten Dunst. But right here, she seems happy!

More photos below the jump!

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Mary-Kate Olsen and boyfriend Nate Lowman are currently in Miami. Last night, they attended the Marcel Wanders Presents Mondrian South Beach Sneak preview before taking in a Grace Jones concert at the Florida room in the Delano. Other celebs in attendance included Benicio del Toro, Kirsten Dunst, and David LaChapelle.

MK and Nate are in town for Art Basel, an important art show that is running from December 4-7. Over 250 art galleries are showcasing their exclusive collections this week from all over the world. It’s a great event and it makes sense for Nate, a burgeoning artist, to be there. He had his own show Tuesday evening and MK was there for support.

MK, being an avid art collector, must be really enjoying herself this week! I’d love to go to Art Basel!

Pop Sugar has more pictures from the event. You can see photos of Mary-Kate out and about in Miami here.

You can learn more about Art Basel here.

Thanks to jj for the tip!

Mary-Kate Olsen spent her Friday afternoon getting a manicure and a pedicure at a nail salon in Beverly Hills. I really like the casual white dress she’s wearing, it’s perfect for a sunny summer day.

See the photos here.

Ashley Olsen was spotted later the same day at the same salon! My guess is that the girls are gearing up for the CFDA Fashion Awards tomorrow!

See the video of Ashley here.

Mary-Kate Olsen is back in Los Angeles (see photos of her in LAX here).

And on Wednesday, Mary-Kate was visiting a friend when the paparazzi from X17 Online caught up with her. This really made her angry and she even gave the pap a lecture!

I hate when the paps bother Mk and Ashley, they hate it so much, but X17 insists that they were following the rules in this instance. They stayed off the property.

What do you think? Was the pap overly invasive or was MK in a particularly bad mood?

See the pictures and video here.

Mary-Kate Olsen watched the Pittsburgh/Rangers game with May Anderson in NYC on May 1. She looked really cute, both her and May were wearing fedoras.

A lot of sites are mistakenly calling her Ashley, I think it’s because her hair is so silky and smooth in these pics!

See the photos here.

Does this mean MK still has a thing with Rangers star Sean Avery?

Mary-Kate Olsen wore a simple but chic all-black number to the Chanel Dinner at Ago at the Greenwich Hotel during the Tribeca Film Festival on Monday night. What do you think? Is her outfit a winner?

The event also had a Q&A session for the stars of the various films in the festival. During the Q&A for The Wackness Ben Kingsley praised MK and called her a great role model for her generation.

Image details: Chanel Tribeca Film Festival Dinner - Arrivals served by picapp.com

More photos after the jump!

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On Wednesday evening, Mary-Kate Olsen was on hand, along with Chrissie Miller, Jared Seligman,Michelle Trachtenberg and Tara Subkof to celebrates supermodel Jessica Stam’s 22 birthday.

Image details: Launch of Roberto Cavalli for H&M served by picapp.com

The low-key dinner was a Nobu Next Door in NYC. Afterwards, the entire gang headed to Lit to continue the birthday party, according to Style.com.

I love Jessica and I love that her and MK are friends. I hope Jessica had a fantastic birthday!

In other MK news, she was spotted on April 22 wearing a very colorful tent outside her NYC home.

See the photos here.

Mary-Kate Olsen redeemed heself from her Wednesday fashion faux-pas on Thursday night, when she attended the Proenza Schouler’s new line of eyewear in NYC.

She wore a short black coat and black wedge sandals.

The party was like a who’s-who of the NYC hipster scene with Terry Richardson, Olivier Zahm, Mirabelle Marden, Catherine Holstein, and Margherita Missoni, Melissa Bent, Jen Brill, and Victoria Traina all in attendance.

I wonder if Ashley is still abroad.

See the photos at Mary-Kate and Ashley Fan.

Mary-Kate Olsen attended the New Yorkers for Children celebration of ‘New Year’s in April: A Fool’s Fete’ presented by Missoni at the Mandarin Oriental last night. It looks like the girls are back from Hong Kong!

The event is a benefit to help children in need.

Mk’s outfit is very interesting, with the thick black headband and long, loose dress. What do you think?

Image details: New Yorkers for Children Celebrates New Year’s In April: A Fool’s Fete served by picapp.com

More photos below the jump!

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Check out these gorgeous stills from The Wackness, starring Ben Kingsley, Josh Peck and Mary-Kate Olsen!

EDIT: They are bigger now and thanks to Sony Picture Classics, we have more! Some have MK and some don’t.

More below the jump!

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