He's the Man Of Honor! Ryan Seacrest joins stunning lineup of women for sister Meredith's bridal party as she weds in Mexico 

Ryan Seacrest served as his sister's Man of Honor as she tied the knot in an intimate Mexico wedding.

The 41-year-old former American Idol host shared his excitement with a series of snapshots and tweets leading up to Meredith's special moment.

'Today’s the day… excited for my sis! Proud to be her man of honor,' he tweeted on Saturday.

'Trying to fit in!': Ryan Seacrest served as his sister, Meredith's Man of Honor as she tied the knot in an intimate Mexico wedding on Saturday

The TV host and personality posted a heartwarming photo as he stood alongside the stunning bride and her bridesmaids.

'Trying to fit in... final countdown!' he captioned the image of himself looking dapper in a royal blue suit.

Meredith - who serves as the executive director and COO at the Ryan Seacrest Foundation - wore a gorgeous Vera Wang gown with sequinned embellishments.

'The day your sis grows up': The 41-year-old former American Idol host shared in an Instagram photo early Saturday morning with his younger sister

'Excited for my sis!': The TV host and personality shared several tweets leading up to her special moment

The KIIS FM radio host was the perfect MOH and even joined his little sister in picking up her bridal dress on Thursday.

Ryan shared a photo of the moment on Twitter and wrote: 'Mere’s got the dress, can’t wait for her big day Saturday!' 

Meredith tied the knot during an intimate ceremony to Jimmy Leach, a senior executive at TOMS shoes.

'Mere’s got the dress!': The KIIS FM radio host was the perfect MOH and even joined his little sister in picking up her bridal gown on Thursday

The wedding party each wore a pair of the charitable company's footwear, which donates a pair of shoes to an impoverished child for each pair sold.

Each of the groomsmen also wore suits and accessories by the Ryan Seacrest Distinction collection.

In October 2015, Ryan announced via Instagram that he would play the major role in his sister's wedding by posting a photo of a sweet poem she wrote for him.

'Finally time for man of honor duties!': Ryan kept fans updated on his weekend activities

'So happy for you both!': The Atlanta native was elated to welcome his brother-in-law, Jimmy Leach, a senior executive at TOMS shoes, into the family

'I'm on my way to say "I do," and wanted to talk about me and you,' she began.

'You've been by my side all of my life, and I wouldn't want you anywhere else, when I become a wife.'

Her heartfelt message continued: 'I’m so lucky to have you as my brother, and couldn’t imagine celebrating with any other.'

'So basically what I’m trying to say… Will you be my Man of Honor on my special day?!' 

'I wouldn't want you anywhere else': In October 2015, Ryan announced via Instagram that he would play the major role in his sister's wedding by posting a photo of a sweet poem she wrote for him

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