Heather Hills

Heather Hills is a teenager in Rodrick Heffley's grade and is Holly Hills's older sister.Greg has a big crush on her and is Rodrick's love interest in the third film.

Appearance
Heather has a huge resemblance on her sister Holly Hills,she has long hair,which she sometimes set as a pony tail and wears black earings in both of her ears.

Rodrick Rules
In the second book she baby\sits Rowley while his parents were gone,Greg harbours a crush on her,whenever Rowley's parents go out,Greg would go to Rowley's house at 8:00 PM and splash on Rodrick's Cologne to make sure he makes a good impression on her. She was later replaced by Leland,this suprised Greg and started complaining how his parents needed to keep Heather. In the 2nd film she is shown as Rodrick's girlfriend at his party. She is also mentioned by Holly. Holly shows that Heather is a female version of Rodrick.

Dog Days
In Dog Days,Greg has a crush on both her and her sister Holly,he thinks of getting good with her because he said he wants to have a highschool girlfriend before the school starts,Greg finds out she is a lifeguard at the pool by looking into one of the family's summer album ,when the family went the pool Greg went into the bathroom and started doing push-ups and other excersises so his muscles pop-up then he goes near her chair,whenever a kid does something bad,before Heather could say anything Greg said what she was about to say,thinking it will impress her,then a kid vomitted and Greg didn't said to that kid,that was the only time when she payed attention to Greg because she was expecting him to say it.The other day when Greg came there,he went near her chair and asked Susan take a picture of him there,Susan was about to take the picture,but she gets a phone call from a old friend,but she takes the photo but by the time Heather had to change her pool,so Greg ended having the photo taking with another Lifeguard.Greg then realized she is going to college,he thought long-term relationships don't  work so he scrapped his plan of getting good with her.

Film series Heather is only briefly mentioned in Diary of a Wimpy Kid: Rodrick Rules (film) and is described by Holly as a female equivalent of Rodrick.

In the book series Greg has a huge crush on her,but in the movie he hates her and also describes her as "Rodrick in a dress".

She later appears in the third film as a love interest of Rodrick and one of the main antagonist's, acting like a bigger jerk then Rodrick, being a stereotyical self centered teenage girl. She first shows up to pick Holly from school, and when Rodrick tries to flirt with her, she runs over his foot. She naturally goes to the same Country Club as her family, getting a job there as a life guard. She acts rude to almost everyone, including her own parents, only thinking about her upcoming sweet sixteen and even ignores when Rodrick pretends to drown to get her attention. Greg manages to get her to hire Loded Diper for her birthday, where there, it falls into ruins when she angrily reacts to Rodrick's rock cover of Justin Bieber's "Baby",just then Rodrick accidentally knocks down the ice sculpture,she gets angry and tries to hit Rodrick but he dodged and hit the chocolate fountain causing it to spray and all the guests left her party.

Online Book
in the online book her name is "Lori Matthews" and is the oldest of the four Matthews sisters in the Matthews Family,she also just like the book babysitted Rowley,however she was fired for smoking after putting Rowley to bed,its also hints that she smokes,Greg says that she is the prettiest of the Matthews sisters,but then Greg says Piper Matthews is the most prettiest.

Trivia

 * In the online book, she is known as "Lori Matthews"Its shown at Day 124
 * Heather show to be a little Hot-Tempered in the film series and her personality is only shown in the movies.
 * Why Heather was replaced by Leland is unknown,in the online book, it states that she was fired for smoking outside Rowley's house after she had put him to bed.