Fans of iCarly's Jennette McCurdy will get a full blast of her this weekend when Nickelodeon and Nick at Nite host 'Just Jennette,' two nights of programming featuring the 17-year-old star.

Things will kick off on Saturday with a new episode of iCarly (with Jennette playing Sam, of course) on January 9 at 8 p.m. Fans will also get to see her reprise her role as Pinky on True Jackson, VP at 8:30 p.m.

Then on Sunday at 8 p.m. Nick at Nite will feature two, back-to-back episodes of Malcolm in the Middle in which the bubbly blonde guest stars. That's a whole lot of Jennette! But if you're a fan, you'll be sure to set your DVR for all the action.

Did you know Ashley Argota, who plays Lulu on True Jackson, VP, is a huge Twi-hard? That's right! She tells KOL that she's a major supporter of Team Edward.

Ashley also opens up about what it's like to be a young actress. Breaking into Hollywood wasn't easy, and if Ashley didn't win the role of Lulu, her mom said it was time they packed up and moved on. Thankfully, Ashley wowed everyone she auditioned for and today she gets to show off some of her singing and dancing skills on the hit show.

So far, her fave guest-star was Jennette McCurdy. Could it be because these two are besties? Of course. Ashley tells KOL that she loved "goofing off with her BFF for a week on set."

Yes, Sophie, Izzy and Jena of Care Bears on Fire travel around the country and play concerts on weekends with Push Play and The Naked Brothers Band.

But most weekdays, these teen rockers can be found in one place, and in one place only: the classroom - hittin' the books at school in Brooklyn, NY.

True fans of CBOF love the girls for their unique sense of style.We recently caught up with Sophie, Izzy and Jena and asked them what their fave school threads were...and why.

Izzy: "I usually just wear a similar outfit to what I would wear to a show but a bit more toned down, like a giant faux fur coat with sneakers and a canvas bag. I would hate to go to a uniform school because I love to wear crazy clothes to school, but tee shirts, jeans, and boots are definitely staples in my school wardrobe."

Justin Bieber makes his acting debut on Nickelodeon's True Jackson, VP tomorrow, but we've got two clips from the season two premiere for you to watch now!

The 15-year-old pop star performs his smash single, 'One Time,' and saves True's almost-doomed fundraiser by coming through as its musical act.

In our exclusive interview with the Canadian singer, Justin says working with Keke Palmer -- and the entire experience as a whole -- was "a lot of fun"

"The set was just great," he told JSYK. "There were a lot of cool people and just being able to act and stuff was a lot of fun. I'm looking forward to seeing [the episode]. I haven't actually got to see it yet."

As for Justin's plans to do more on-camera work, he says it's a definite possibility. "Yeah, I think I will act more in the future. I don't have a lot of experience, but I'm getting better and better at it."

Justin's episode of True Jackson, VP airs on Saturday, November 4 at 8:30 p.m.

As we previously reported, Justin Bieber was filming on the set of True Jackson, VP earlier this month, and as it turns out, JB's episode will air as the show's season premiere!

The second season of the hit Nickelodeon series kicks off with "True Concert" in which True holds a fundraising concert to save her school's design department from being cut. Just as True is on the verge of event failure, the 15-year-old pop/R&B singer comes in clutch by agreeing to perform.

Fans will get to see Justin play 'One Time' on the show, and as an extra treat, pop punkers Care Bears on Fire will also guest star on the episode, performing 'Everybody Else.'

The season premiere of True Jackson, VP airs on Saturday, November 14 at 8:30 p.m. Set your TiVos!

We had a hunch that Justin Bieber was the True Jackson, VP "special guest star" that Keke Palmer tweeted about earlier this week, and now the 15-year-old pop/R&B sensation has confirmed the appearance himself!

"On the set of the show 'True Jackson' in LA. Keke is really cool. might sing ONE TIME with me as a duet. haha," Justin tweeted today.

Um, that would be amazing!

The air date for Justin's True Jackson, VP episode hasn't been announced yet, but we'll be sure to report about it when we get the news. Stay tuned!