Tickled pink! Lauren Conrad lovingly gazes at husband William Tell as she promotes party planning book

It was party time for Lauren Conrad on Wednesday.

The 30-year-old made an incredibly stylish appearance at the launch bash for her new party planning book, Lauren Conrad Celebrate, in New York City.

As Lauren mingled with guests and lapped up attention from cameras, the reality star also made sure to make time for the love of her life - her husband, William Tell.

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Picture perfect! Lauren Conrad and her husband William Tell looked to still be enjoying the early stages of marital bliss as they cosied up together during a launch party for the reality star's new lifestyle book, Lauren Conrad Celebrate, in New York on Wednesday

Picture perfect! Lauren Conrad and her husband William Tell looked to still be enjoying the early stages of marital bliss as they cosied up together during a launch party for the reality star's new lifestyle book, Lauren Conrad Celebrate, in New York on Wednesday

Lauren looked ready to party in her pretty baby pink dress that was belted at the waistline, highlighting her slender hourglass figure. 

She had her wavy gold locks slicked back into a low bun with a few loose strands dangling over her flawlessly made-up face.

Accentuating her natural good looks was a winged slick of black eyeliner and a slick of deep red lipstick, which added a dramatic touch. 

Proving they were an excellent match in the fashion stakes, William kept up appearances in a sharp blue shirt and black trousers.

Lovebirds: The couple looked as if they had plenty to celebrate as they cosied up together, dressed to impress in their sharp and preppy attire

Lovebirds: The couple looked as if they had plenty to celebrate as they cosied up together, dressed to impress in their sharp and preppy attire

William also sported a budding beard and a stylish pair of white perforated sneakers.

While busy promoting and celebrating the publication of her new page turner, Lauren also made time for old friends at the bash. 

The reality star posed with her former Laguna Beach co-stars and friends, Dieter Schmitz and Trey Phillips.

Tickled pink! Lauren looked ready to party in her pretty baby pink dress that was belted at the waistline, highlighting her slender hourglass figure
Tickled pink! Lauren looked ready to party in her pretty baby pink dress that was belted at the waistline, highlighting her slender hourglass figure

Tickled pink! Lauren looked ready to party in her pretty baby pink dress that was belted at the waistline, highlighting her slender hourglass figure

Look pretty in pink this spring in a dress by Lauren Conrad

The benefit of having your own clothing line is you have access to an essentially limitless wardrobe at all times.

And what else would former The Hills starlet Lauren Conrad wear to her latest book launch but a dress of her own design? This pretty little skater number is a great way to liven up your look for spring and the good news is it's in the sale.

Click (right) to snap it up now at Kohl's and why not take a look at the rest of her collection while you're there? You can expect to find easy to wear everyday pieces, cute prints and denim.

Or shop around starting with our edit of similar pinks below. We've found lovely fit-and-flare looks by Vila, Alfred Sung, Speechless and True Decadence that'll do the trick. Wear with nude heels to complete the look.

* PRICES MAY NOT BE AS ADVERTISED

Trey even shared an Instagram photo of themselves posing beside a neon pink sign. 

'Congrats @laurenconrad on her new incredibly gorgeous and useful book. And a great party to boot! @dieterschmitz,' he captioned the image. 

Lauren's new page turner will land on bookshelves later this month, and will help readers throw the perfect parties from baby showers to cocktail soirees.

Bookworm! The star's new page turner Lauren Conrad Celebrate will land on bookshelves later this month, and will help readers throw the perfect parties from baby showers to cocktail soirees

Bookworm! The star's new page turner Lauren Conrad Celebrate will land on bookshelves later this month, and will help readers throw the perfect parties from baby showers to cocktail soirees

Party! Conrad held a bouquet of pretty balloons as she and Celebrate co-author Leslie Bruce posed beside a neon pink sign

Party! Conrad held a bouquet of pretty balloons as she and Celebrate co-author Leslie Bruce posed beside a neon pink sign

'I'm so excited for everyone to see this book! I had so much fun creating it and the best part was that I got to do it with some of my favorite people,' she gushed on Instagram in December.

The star is no stranger to the writing wold having penned 'fictional' four-part L.A. Candy series about a girl on a reality television show as well as non-fiction guides Lauren Conrad Style and Lauren Conrad Beauty. 

As far as Lauren's personal life, everything seems just as rosy.

The reality star tied the knot with William on September 13, 2014.

All together! The former MTV star grinned brightly as she squeezed in for a snap alongside her pals

All together! The former MTV star grinned brightly as she squeezed in for a snap alongside her pals

Cheers to the good old days! The reality star posed with her former Laguna Beach co-stars and friends, Dieter Schmitz and Trey Phillips

Cheers to the good old days! The reality star posed with her former Laguna Beach co-stars and friends, Dieter Schmitz and Trey Phillips

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