Miley Cyrus wants her MTV — and she'll get it Saturday on her 21st birthday

MTV has quite the birthday present for Miley Cyrus: The netwerk (that’s a joke, not a typo) is airing an eight-hour celebration Saturday devoted to the pop-culture princess in honor of her 21st birthday.

Starting at 11 a.m. (Central), Miley gets her own party started by debuting “21 Candles: Miley’s MTV Moments.” The half-hour special “will celebrate the 21 reasons why fans love the megastar, including Miley’s best MTV moments of all time, a look back at her milestone music videos and performances, as well as celebrities and fans giving birthday shout-outs and sharing their favorite Miley memories.”

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Cyrus will appear throughout the special to reflect on her career — foam fingers! — and what’s to come in her 21st year — more foam fingers!

That’s followed by a repeat of the MTV docu-film “Miley: The Movement Deluxe Edition,” featuring new commentary from the birthday girl before she introduces and hosts two of her favorite MTV shows, “Awkward” and “Snooki and JWOWW.” Seems like a lame gimmick to get viewers to watch a couple of non-Miley-related shows. But I guess that’s less lame than what comes next: a repeat of the “21 Candles” special at 6:30 p.m.

Throughout Saturday, Smilers who tweet birthday wishes to #HappyBirthdayMiley or post Instagram video messages starting today have the chance to appear on MTV during the eight-hour Miley-fest. Do with that what you will.

After this year’s “VMA” performance, MTV clearly sees Miley as the gift that keeps on giving.