Newest Kardashian Meets His Royal Subjects + More of What You Missed on Instagram

Kourtney Kardashian New Baby

[Photo Credit: @kourtneykardash]

Lance Bass Gets Married

[Photo Credit: @lancebass]

Chrissy Teigen and John Legend on Vacation

[Photo Credit: @chrissyteigen]

Kim Kardashian Tries on Clothes with North West

[Photo Credit: @kimkardashian]

One Direction meets Ronnie Wood

[Photo Credit: @niallhoran]

Reese Witherspoon Meets Charlie Rose

[Photo Credit: @reesewitherspoon]

Kylie Jenner Gives Bedroom Eyes

[Photo Credit: @kyliejenner]

Neil Patrick Harris' Kids on Christmas

[Photo Credit: @instagranph]

Jennifer Lopez's Kids on Christmas

[Photo Credit: @jlo]

Elton John Gets Married

[Photo Credit: @eltonjohn]

Anna Kendrick Into the Woods

[Photo Credit: @annakendrick47]

One week after giving birth to her third child, Kourtney Kardashian is welcoming the newest member of the reality TV dynasty to social media. The mom posted a photo of son Reign Aston Disick's tiny fingers on Sunday, revealing that she's still humoring boyfriend Scott Disick's regal fantasies.  

Not to be overshadowed by the holidays, Lance Bass married partner Michael Turchin, sharing a photo of their matching bling. Meanwhile, NPH and J.Lo put their adorable kids on display to spread cheer, Kim Kardashian was stressing over outfit choices, North West was experimenting with her look  (it's never too soon to start!), and Kylie Jenner put in serious work to perfect sexy bedroom eyes.

See what else you may have missed from the 'gram over the weekend in our gallery.

Find out more about the newest member of the Kardashian-Jenner family from The Gossip Table.

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[Photo Credit: @kourtneykardash]