These stars all had stunning, stylish weddings, and their post-Big Day looks were just as chic!

We've rounded up Hollywood's most stylish newlyweds in the slideshow below. These couples have stepped out post-wedding rocking cool casual outfits and glamorous red carpet looks. Click through the photos for the best celebrity style moments of the year.

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  • Natalie Portman and Benjamin Millepied

    Natalie Portman and husband Benjamin Millepied <a href="http://www.people.com/people/article/0,,20618646,00.html">tied the knot in a low-key August wedding</a>. The pair made their debut as a married couple at Millepied's Los Angeles Dance Project show (see photos from the event <a href="http://www.hauteliving.com/2012/09/benjamin-millepied%E2%80%99s-la-dance-project-premieres-at-walt-disney-concert-hall/315526/natalie-portman-blonde-hair/">here</a>).

  • Alec Baldwin and Hilaria Thomas

    Alec Baldwin <a href="http://www.huffingtonpost.com/2012/08/15/alec-baldwin-tweets-intimate-wedding-photos-hilaria_n_1783781.html">married yoga instructor Hilaria Thomas</a> in June. Three months later, Thomas accompanied Baldwin to the Emmy Awards wearing a stunning strapless purple gown (Baldwin wore a matching purple tie).

  • Justin Timberlake and Jessica Biel

    Newlyweds Jessica Biel and Justin Timberlake <a href="http://www.people.com/people/article/0,,20641685,00.html" target="_hplink">tied the knot</a> in a romantic Italian wedding in October. On November 23, the two took in a <a href="http://www.usmagazine.com/celebrity-news/news/newlyweds-justin-timberlake-jessica-biel-enjoy-basketball-date-night-20122611">basketball game</a> together, wearing matching black jackets and jeans.

  • Stanley Tucci and Felicity Blunt

    Stanley Tucci <a href="http://www.eonline.com/news/350965/stanley-tucci-and-felicity-blunt-s-beautiful-wedding-photo">married Felicity Blunt</a>, the sister of Tucci's "The Devil Wears Prada" costar Emily Blunt, in August. The newlyweds took in a fashion show in September, looking quite stylish themselves.

  • Drew Barrymore and Will Kopelman

    Four months after their <a href="http://www.people.com/people/article/0,,20601489,00.html">June nuptials</a>, Drew Barrymore and Will Kopelman joined Justin Theroux and Jennifer Aniston at an event at the L.A. County Museum of Art. Barrymore kept her post-baby style (<a href="http://articles.latimes.com/2012/oct/01/entertainment/la-et-mg-drew-barrymore-baby-girl-will-kopelman">daughter Olive</a> was born in September) simple and chic with a black shirtdress and blue stilettos, while Kopelman wore a classic tux.

  • Matthew McConaughey and Camila Alves

    Less than a month after their <a href="http://www.people.com/people/article/0,,20602475,00.html">June wedding</a>, newlyweds Matthew McConaughey and Camilla Alves walked the red carpet at the "Magic Mike" premiere -- Alves in a sparkly blue dress, McConaughey in a classic tux.

  • Ryan Reynolds and Blake Lively

    The day after marrying in a <a href="http://www.people.com/people/article/0,,20639393,00.html">small ceremony</a> in September, Blake Lively and Ryan Reynolds were spotted flashing their wedding rings in Charleston</a> and rocking a button-down and jeans (him) and purple flowered skirt (her) -- watch the video to see their casual looks. The two looked ever the stylish couple at their first public appearance, the Chanel Bijoux de Diamant 80th anniversary event, at which Lively wore a <a href="http://www.popsugar.com/Blake-Lively-Chanel-Party-NYC-25373066">silver and pink ankle-length Chanel gown</a>.

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