Dr. Walter's wife died 7 years ago.

(Bianca walks to find Kat and Patrick alone in the bedroom)
Bianca: Can I borrow the... A male in your bedroom? And he's cuuuute. Am I sleepwalking again?

(Patrick disappears out Kat's window)
Bianca: Spooky!

(Bianca, Walter and Kat arrive at Padua High's evacuation center)
Bianca: I feel like a poodle at a dessert buffet. What I wouldn't do for a flat iron right now.
Kat: People could be losing their homes and you're worried about your hair. You're worse than Anderson Cooper.
(Kat looks around the school)
Bianca: You're looking for Patrick, (mocking tone) you like him.
Kat: No, I don't.
Bianca: (mocking tone) You want to kiss him.
Kat: Really? Are you five?
Bianca: I'm just excited to learn that you're capable of physical attraction. Now maybe I won't to have suffer the burden of caring for you and your cats when you're old.

Bianca: (to Kat when Chastity walks up) Face forward and don't say anything or I'll tell Patrick you wanna have his babies.

Chastity: Bianca, can you believe this? Fires are so scary, I'm totally traumatized. And what you're wearing doesn't help.
Bianca: I sleep in the nude so I had to borrow these.

Kat: (about Chastity) I can't believe her broomstick didn't burn in the fire.

Verna: (to Kat) Missy lighten up. I know a lot of cat ladies that started out like you.

Michael: Dude, there are vulnerable hot chicks all over this place looking for a shoulder to cry on. I know it's wrong, but I love this fire.
Cameron: Yeah, me too, now I know what Bianca wears to bed.

Verna: (to Kat as Patrick walks in) Oh, who's that you're undressing with your eyes?

Michael: Girls I am here for you in your time of need, K?. So why don't we go around the circle and share what we're afraid of losing the most.
Dawn: My vintage collection of US Weekly's. They're irreplaceable.
Michelle: My ionic featherweight hair dryer. It blows so hard.

(Patrick walks in)
Kat: So you made it. Where's your family?
Patrick: I killed them all. They were slowing me down.
Kat: Natural disasters do bring out the best in people.

Vivian: What's your deal anyway? You married, seperated, big fat cheater?
Walter: Widowed
Vivian: I'm so sorry. Was it recent?
Walter: Yes. 7 years.

Bianca: Chastity I'm not putting a family of six in a closet.
Chastity: OH, WOW, I'm gonna pretend this little temper tantrum never happened. I know you're really stressed about losing all your dead moms stuff.
(Chastity walks away and tells the others they have to leave her room)
Bianca: You are such a BITCH!
Chastity: What did you say to me?
Bianca: You heard me. You are a manipulative, conniving little shrew of a person and I am sick of taking your crap. Can't you see that no one likes you?
(Chastity walks off)

Verna: (to Kat) Missy lighten up. I know a lot of cat ladies that started out like you.

Kat: People could be losing their homes and you're worried about your hair. You're worse than Anderson Cooper.

Referring to the CNN anchor of AC360. He's most famous for his reporting from the disaster zone that was New Orleans after Hurricane Katrina hit. Many people have since accused him of making money off tragedy (like say: Lee Greenwood).

Kat: Tell Genghis Chastity, that there's a fire going on and we all need to pull together.

Genghisd Khan is the reference here. Khan was the Khagan (emperor) of the Mongol Empire, the largest contiguous empire in history.

Bianca: (to Chastity) I'm sorry I yelled at you, but I'm hot and tired and you were acting like Janice Dickenson.

The former model actress, Dickinson, became famous as a model and diva.

Kat: Trust me no one would mistake you for Prince Charming. Prince Charles maybe.

Prince Charles is the next in line to be King of England. He's also well known as a playboy and cheater.

Chastity: You wanna be a cheerleader more than Hillary Clinton wants to be President.

Hillary Clinton is the former First Lady of the United States as wife of former President Bill Clinton. A former junior Senator from the state of New York and a former Presidential candidate in 2008 (she lost the Democratic primary to eventual winner, Barack Obama). She is currently serving as Secretary of State.