'I'm embarrassed': Real Housewives Of Orange County star Shannon Beador says weight gain is caused by being 'devastated' over husband

The Real Housewives of Orange County's Shannon Beador is addressing her body image and relationship issues as the Bravo series' 12th season kicks off this week.

In a sneak peek of the program, the 53-year-old beauty reveals that she started packing on pounds amid the chaos that erupted when her castmate Vicki Gunvalson said that Shannon's husband David Beador was a domestic abuser during a cast trip to Ireland last year.

'I knew an allegation was put out there about my husband,' Shannon said. 'That stress caused me to eat more, caused me to drink more and that's a huge part of why I gained my weight.'

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Troubled times: The Real Housewives of Orange County's Shannon Beador, 53, opens up about the weight and marital problems her castmate Vicki Gunvalson triggered with a domestic violence accusation against her husband David Beador last season

Troubled times: The Real Housewives of Orange County's Shannon Beador, 53, opens up about the weight and marital problems her castmate Vicki Gunvalson triggered with a domestic violence accusation against her husband David Beador last season

Before she gained weight: Beador, far right in red, with (left to right) Meghan Edmonds, Tamra Judge, Heather Dubrow and Vicki Gunvalson in 2015

Before she gained weight: Beador, far right in red, with (left to right) Meghan Edmonds, Tamra Judge, Heather Dubrow and Vicki Gunvalson in 2015

Different times: Beador was noticeably slimmer in this July 2014 shot from a Hawaiian vacation she took with her husband 

Different times: Beador was noticeably slimmer in this July 2014 shot from a Hawaiian vacation she took with her husband 

The Corona del Mar, California native explained the tragic trickle-down effect as result of Gunvalson's accusations, which Shannon has denied.

'My weight gain has affected me and how I feel about myself,' she said. 'I'm embarrassed of my body.'

Shannon said that Gunvalson's shocking words about their relationship has caused tension between her and her husband, noting she was 'distant with [her] after that,' which has had a 'pretty devastating' impact on her.

The preview illustrated the chilly scene between the spouses as the mother-of-three prepared a dish which didn't seem to impress David much.

Chilly: A sneak peek reveals a cool and chilly relationship between Shannon (L) and David

Chilly: A sneak peek reveals a cool and chilly relationship between Shannon (L) and David

Problems: Shannon said that despite renewing their vows last year, a distance remains in her relationship with her spouse 

Problems: Shannon said that despite renewing their vows last year, a distance remains in her relationship with her spouse 

Last year on the program, Gunvalson accused David of having 'beat the s--- out of' Shannon, who said during a reunion show that her husband had not beaten her, but did cheat on her.

Her stint on the reunion ended in ugly fashion, as she called Gunvalson 'horrible' in not apologizing for raising the issue publicly.

Distraught: Shannon said she's 'embarrassed' of her figure after putting on weight following last year's chain of events 

Distraught: Shannon said she's 'embarrassed' of her figure after putting on weight following last year's chain of events 

Issues: Shannon said it's been 'pretty devastating' to deal with the fallout of Vicki Gunvalson's accusations about her husband 

Issues: Shannon said it's been 'pretty devastating' to deal with the fallout of Vicki Gunvalson's accusations about her husband 

Finger-pointer: Vicki Gunvalson claimed during a cast trip that David 'beat the s--- out of' Shannon, who sharply denied the allegations. The star was snapped in LA last year 

Finger-pointer: Vicki Gunvalson claimed during a cast trip that David 'beat the s--- out of' Shannon, who sharply denied the allegations. The star was snapped in LA last year 

Shannon vowed, 'I would never stay in a marriage if I were beat up. I would never teach that to my children ... what you have done?'

She said that as result of Gunvalson bringing up the issue on the program, 'There will be people that will go up to my children and say, "Your father beats your mother,"' which she says will be 'damaging' to them.

The Real Housewives of Orange County's season premiere airs Monday on Bravo at 9/8c.

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