Jon Hamm and Jennifer Westfeldt Deny Split Rumors

Jon Hamm and his longtime partner Jennifer Westfeldt are hitting back at a report claiming they have ended their 16-year relationship.

Jon Hamm Breaks Silence on Rehab News: 'Life Throws a Lot at You Sometimes'

The last 24 hours haven’t been easy for Jon Hamm.

As the cast of Mad Men promotes the final season of their hit show (set to premiere April 5), the star has been forced to take his private struggle with alcohol addiction public after news broke Tuesday he recently completed a 30-day treatment program.

Inside Jon Hamm's Private Struggle: Girlfriend Jennifer Westfeldt Helps 'Keep Him in Line,' Source Says

Over the past eight years, Jon Hamm has gained legions of fans for his portrayal of anti-hero Don Draper on Mad Men.

Last month, the star sought treatment for alcohol addiction, and a source tells PEOPLE Hamm, 44, has more in common with his character than people may think.

Jon Hamm Calls Sex Symbol Status 'Silly' and Says Goodbye to Mad Men

From the moment suave, brooding Don Draper entered the pop culture ether, Jon Hamm, along with his new sex symbol status, was shot into the stratosphere of fame. Not that he takes any of the attention too seriously.

“It’s silly,” he tells PEOPLE with a laugh. “First of all, it’s completely arbitrary. Point me to 50 people online who think I’m super sexy, I’ll point you to 50 more who say, ‘He’s old and looks like my dad.’ It’s not universal. If you buy into that, you’re crazy.”

Sarah Jessica Parker & More Power Lunch in N.Y.C.

The phrase “ladies who lunch” got turbocharged on Monday when Cosmopolitan’s editor-in-chief Joanna Coles assembled a posse of powerful women – including Sarah Jessica Parker, Rose McGowan, Diane von Furstenberg, Jennifer Westfeldt and Gayle King – for a mid-day meal at Michael’s in New York.

Jennifer Westfeldt's Celeb Crush: Bridesmaids Stars

Jennifer Westfeldt may be dating one of Hollywood’s hunkiest guysJon Hamm – but she admits to feeling butterflies over some other big talents: Kristen Wiig and Maya Rudolph.

Westfeldt, who wrote, directed, produced and stars in the new romantic drama Friends with Kids out on Friday, got close to the Bridesmaids stars while working on the new film.

Jon Hamm Cozies Up to His Girlfriend – and Other Stars!

Jon Hamm Steals a Kiss After Walking the Dog

A day after celebrating a fourth best drama Emmy win for Mad Men, Jon Hamm enjoyed a T-shirt-and-shorts stroll with two favorite family members: Jennifer Westfeldt, his longtime girlfriend, and Cora, their shepherd mix.

Walking through their Los Feliz, Calif., neighborhood, the trio took in sunshine, and afterward, Hamm pulled Westfeldt in for a romantic kiss.

Jon Hamm Picks Out Sunglasses for His Girlfriend

Jon Hamm and his girlfriend Jennifer Westfeldt gave each other fashion advice at the Solstice Sunglass Boutique in Cannes, where they were trying on shades beachside. Jennifer ended up picking a ’50s-style cat-eye design from Kate Spade that Jon recommended. As she modeled the final selection, he gave his approval.