Jessica Simpson clutched to her pregnant belly during a January 2012 TCA panel discussion for Fashion Star in LA.

Jessica Simpson clutched to her pregnant belly during a January 2012 TCA panel discussion for Fashion Star in LA.

Jessica Simpson and Nick Lachey took a trip to Hawaii in December 2004 and relaxed with beers during their sunset cruise.

Jessica Simpson and Nick Lachey took a trip to Hawaii in December 2004 and relaxed with beers during their sunset cruise.

Jessica Simpson smiled while posing for photos during CaCee Cobb's wedding to Donald Faison in December 2012.

Jessica Simpson smiled while posing for photos during CaCee Cobb's wedding to Donald Faison in December 2012.

Source: FameFlynet
Jessica Simpson and her sister, Ashlee Simpson, were joined by Maxwell at a mall appearance in Charlotte, NC, in March.

Jessica Simpson and her sister, Ashlee Simpson, were joined by Maxwell at a mall appearance in Charlotte, NC, in March.

Jessica Simpson performed on the beach in September 2003 in a t-shirt and jeans.

Jessica Simpson performed on the beach in September 2003 in a t-shirt and jeans.

Jessica Simpson wore a memorable dress to attend the Met Gala with John Mayer in May 2007.

Jessica Simpson wore a memorable dress to attend the Met Gala with John Mayer in May 2007.

Source: Getty
Jessica Simpson belted it out during the seventh annual VH1 Divas concert in April 2004.

Jessica Simpson belted it out during the seventh annual VH1 Divas concert in April 2004.

Source: Getty
Jessica Simpson made a dramatic arrival at the June 2005 MTV Movie Awards in a low-cut, skintight black gown.

Jessica Simpson made a dramatic arrival at the June 2005 MTV Movie Awards in a low-cut, skintight black gown.

Source: Getty
Jessica Simpson and Ashlee Simpson dressed in black at an event for her Jessica Simpson Girls line in November 2011.

Jessica Simpson and Ashlee Simpson dressed in black at an event for her Jessica Simpson Girls line in November 2011.

Source: Getty
Jessica Simpson and Eric Johnson shared a sexy moment while on a boat in Italy during her 30th birthday celebration in July 2010.

Jessica Simpson and Eric Johnson shared a sexy moment while on a boat in Italy during her 30th birthday celebration in July 2010.

Source: INFphoto.com
In February 2012, pregnant Jessica Simpson walked around Beverly Hills in very high heels.

In February 2012, pregnant Jessica Simpson walked around Beverly Hills in very high heels.

Source: FameFlynet
Jessica Simpson sang "God Bless America" joined by First Lady Michelle Obama and Jill Biden to entertain military families in April 2011.

Jessica Simpson sang "God Bless America" joined by First Lady Michelle Obama and Jill Biden to entertain military families in April 2011.

Source: Getty
Jessica Simpson and Eric Johnson took a walk on the beach in Hawaii back in December 2012.

Jessica Simpson and Eric Johnson took a walk on the beach in Hawaii back in December 2012.

Source: FameFlynet
Jessica Simpson arrived at a Teen People event in January 2000 wearing head-to-toe pink animal print.

Jessica Simpson arrived at a Teen People event in January 2000 wearing head-to-toe pink animal print.

Source: Getty
Paris Hilton towered over Jessica Simpson and Nicole Richie during the 2003 Billboard Music Awards.

Paris Hilton towered over Jessica Simpson and Nicole Richie during the 2003 Billboard Music Awards.

Source: Getty
Jessica Simpson was happy to celebrate her 20th birthday in July 2000 with a personalized cake.

Jessica Simpson was happy to celebrate her 20th birthday in July 2000 with a personalized cake.

Source: Getty
Eric Johnson accompanied Jessica Simpson to the launch event for her denim line in 2010.

Eric Johnson accompanied Jessica Simpson to the launch event for her denim line in 2010.

Source: Getty
Jessica Simpson wore a bikini on the set of The Dukes of Hazzard in November 2005.

Jessica Simpson wore a bikini on the set of The Dukes of Hazzard in November 2005.

Jessica Simpson was in high spirits with her dad, Joe Simpson, at the September 2003 Operation Smile West Coast Gala.

Jessica Simpson was in high spirits with her dad, Joe Simpson, at the September 2003 Operation Smile West Coast Gala.

Source: Getty
Jessica and Eric attended NYC's Footwear News Achievement Awards in November 2011.

Jessica and Eric attended NYC's Footwear News Achievement Awards in November 2011.

Source: Getty
Jessica Simpson dated John Mayer for a little over a year and joined him for drinks in NYC in March 2007.

Jessica Simpson dated John Mayer for a little over a year and joined him for drinks in NYC in March 2007.

Source: INFphoto.com
Nick Lachey and Jessica Simpson attended the 10th annual Billboard Music Awards together in December 1999, before they were engaged.

Nick Lachey and Jessica Simpson attended the 10th annual Billboard Music Awards together in December 1999, before they were engaged.

Source: Getty
Nick Lachey and Jessica Simpson shared a kiss during the May 2001 Kentucky Derby party.

Nick Lachey and Jessica Simpson shared a kiss during the May 2001 Kentucky Derby party.

Jessica Simpson was spotted in June 2008 with her Cowboys quarterback boyfriend Tony Romo.

Jessica Simpson was spotted in June 2008 with her Cowboys quarterback boyfriend Tony Romo.

An Etro-clad Jessica Simpson was the guest of honor at Us Weekly's annual Hot Hollywood party in 2011.

An Etro-clad Jessica Simpson was the guest of honor at Us Weekly's annual Hot Hollywood party in 2011.

Source: Getty
Jessica Simpson and Eric Johnson shared a sweet smooch during her birthday dinner in Capri, Italy, in 2010.

Jessica Simpson and Eric Johnson shared a sweet smooch during her birthday dinner in Capri, Italy, in 2010.

Source: INFphoto.com
Eric Johnson accompanied Jessica Simpson to an event celebrating her girls' clothing collection at Dylan's Candy Bar in NYC in November 2011.

Eric Johnson accompanied Jessica Simpson to an event celebrating her girls' clothing collection at Dylan's Candy Bar in NYC in November 2011.

Source: Getty
Tina Simpson joined Jessica Simpson at the launch of her denim line in June 2010.

Tina Simpson joined Jessica Simpson at the launch of her denim line in June 2010.

Source: Getty
Southern girls Ashlee and Jessica Simpson posed together at a movie screening of Hot Chicks in December 2002.

Southern girls Ashlee and Jessica Simpson posed together at a movie screening of Hot Chicks in December 2002.

Jessica Simpson volunteered with Jennifer Love Hewitt in August 2000 at the US Open's Arthur Ashe Kids' Day.

Jessica Simpson volunteered with Jennifer Love Hewitt in August 2000 at the US Open's Arthur Ashe Kids' Day.

Source: Getty
Jessica Simpson cuddled with her puppy Daisy in August 2004.

Jessica Simpson cuddled with her puppy Daisy in August 2004.

Source: INFphoto.com
Ken Paves was in charge of keeping Jessica Simpson's hair looking fabulous at the 2005 Vanity Fair Oscar party.

Ken Paves was in charge of keeping Jessica Simpson's hair looking fabulous at the 2005 Vanity Fair Oscar party.

Jessica Simpson promoted her Dessert cosmetics in February 2005.

Jessica Simpson promoted her Dessert cosmetics in February 2005.

Source: INFphoto.com
Jessica Simpson filmed Blonde Ambition in March 2007.

Jessica Simpson filmed Blonde Ambition in March 2007.

Best friend CaCee Cobb joined Jessica Simpson at the September 2005 TV Guide Awards.

Best friend CaCee Cobb joined Jessica Simpson at the September 2005 TV Guide Awards.

Jessica Simpson confirmed her first pregnancy by sharing a picture of her mummy Halloween costume on Halloween in 2011.
Source: JessicaSimpson.com

Jessica Simpson confirmed her first pregnancy by sharing a picture of her mummy Halloween costume on Halloween in 2011.

Jessica Simpson modeled a Michael Kors gown and escorted the designer to the Met Gala in May 2005.

Jessica Simpson modeled a Michael Kors gown and escorted the designer to the Met Gala in May 2005.

Source: INFphoto.com
Jessica Simpson wore a black dress to the NBC Universal All-Star party in Pasadena, CA, in January 2012.

Jessica Simpson wore a black dress to the NBC Universal All-Star party in Pasadena, CA, in January 2012.