Kate Middleton shows off her baby bump as she steps out with husband Prince William and Prince Harry

World | | April 28, 2013, 4:56 pm
X
1/ 15
Britain's Catherine, Duchess of Cambridge, arrives for a visit to the Warner Bros. Studios at Leavesden in southern England

Britain's Catherine, Duchess of Cambridge, arrives for a visit to the Warner Bros. Studios at Leavesden in southern England

X
2/ 15
Britain's Prince Harry, Catherine, Duchess of Cambridge and her husband Prince William raise their wands on the set used to depict Diagon Alley in the Harry Potter films, during the inauguration of Warner Bros. Studios Leavesden in London.

Britain's Prince Harry, Catherine, Duchess of Cambridge and her husband Prince William raise their wands on the set used to depict Diagon Alley in the Harry Potter films, during the inauguration of Warner Bros. Studios Leavesden in London.

X
3/ 15
The Duchess of Cambridge wore a black and white polka dot dress for her tour to the Warner Brothers Studio in Southern England. Kate is due in July.

The Duchess of Cambridge wore a black and white polka dot dress for her tour to the Warner Brothers Studio in Southern England. Kate is due in July.

X
4/ 15
Showing off her baby bump, Kate interacted with the officials at the studio.

Showing off her baby bump, Kate interacted with the officials at the studio.

X
5/ 15
Mommy-to-be, Duchess of Cambridge, Catherine stepped out with Britain's prince and her husband Prince William and Prince Harry to visit the Warner Borthers Studio in Southern England.

Mommy-to-be, Duchess of Cambridge, Catherine stepped out with Britain's prince and her husband Prince William and Prince Harry to visit the Warner Borthers Studio in Southern England.

X
6/ 15
Brothers, Prince William and Prince Harry check out the Tumbler which was used in the 'The Dark Knight' film.

Brothers, Prince William and Prince Harry check out the Tumbler which was used in the 'The Dark Knight' film.

X
7/ 15

X
8/ 15
The Duchess of Cambridge is six months pregnant. The couple got married in April 2011.

The Duchess of Cambridge is six months pregnant. The couple got married in April 2011.

X
9/ 15
Britain's Prince William and his wife Catherine, Duchess of Cambridge, arrive for a visit to the Warner Bros. Studios at Leavesden in southern England.

Britain's Prince William and his wife Catherine, Duchess of Cambridge, arrive for a visit to the Warner Bros. Studios at Leavesden in southern England.

X
10/ 15
Britain's Prince William (R) and his brother Prince Harry look at a 'batsuit', used in the Batman films, during their visit to the Warner Bros. Studios at Leavesden in southern England.

Britain's Prince William (R) and his brother Prince Harry look at a 'batsuit', used in the Batman films, during their visit to the Warner Bros. Studios at Leavesden in southern England.

X
11/ 15
Britain's Catherine, Duchess of Cambridge looks at the costume for the character Hagrid on display on the set used to depict Hogwart's 'Great Hall' in the Harry Potter films during the inauguration of Warner Bros. Studios.

Britain's Catherine, Duchess of Cambridge looks at the costume for the character Hagrid on display on the set used to depict Hogwart's 'Great Hall' in the Harry Potter films during the inauguration of Warner Bros. Studios.

X
12/ 15
Britain's Catherine, Duchess of Cambridge tries out a magic wand on the set used to depict Diagon Alley in the Harry Potter films, during the inauguration of Warner Bros. Studios Leavesden in London.

Britain's Catherine, Duchess of Cambridge tries out a magic wand on the set used to depict Diagon Alley in the Harry Potter films, during the inauguration of Warner Bros. Studios Leavesden in London.

X
13/ 15
Britain's Catherine, Duchess of Cambridge and her husband Prince William play with magic wands on the set used to depict Diagon Alley in the Harry Potter films, during the inauguration of Warner Bros. Studios Leavesden in London.

Britain's Catherine, Duchess of Cambridge and her husband Prince William play with magic wands on the set used to depict Diagon Alley in the Harry Potter films, during the inauguration of Warner Bros. Studios Leavesden in London.

X
14/ 15
Britain's Prince William (L), his wife Catherine, Duchess of Cambridge, and brother, Prince Harry (R), arrive for a visit to the Warner Bros. Studios at Leavesden in southern England.

Britain's Prince William (L), his wife Catherine, Duchess of Cambridge, and brother, Prince Harry (R), arrive for a visit to the Warner Bros. Studios at Leavesden in southern England.

X
15/ 15
Britain's Catherine, Duchess of Cambridge, laughs as her husband Prince William sits on the 'Batpod', from a Batman film, during their visit to the Warner Bros. Studios at Leavesden in southern England.

Britain's Catherine, Duchess of Cambridge, laughs as her husband Prince William sits on the 'Batpod', from a Batman film, during their visit to the Warner Bros. Studios at Leavesden in southern England.