Drew Arellano and Iya Villania's family has grown into a party of five but do you remember how Primo and Loen were when they were just two sibs. Take a look at their adorable photos in this gallery:
Hello from the young Leon!
Leon's facial expressions are too cute!
This little guy will definitely be a foodie like Kuya Primo.
How's your lunch, Baby Leon?
Primo is happy when he is with Papa Du!
Who remembers Primo's little swim session? Now we have the kuya in a cute inflatable plane floater.
WATCH: Primo swims, adorably asks Daddy Drew Arellano's help
Baby Leon wants Kuya Primo's attention.
Before Baby Leon got out of Mommy Iya's tummy, Kuya Primo is already showering his little brother with kisses.
Primo and Leon's quality time with Mama Iya.
Kuya Primo bonds with Baby Leon on the couch.
Meet Drew and Iya's second baby.
Drew dubbed Leon as the anti-social one
What's on your mind, Primo?
Cuteness overload with this one
Drew definitely has his hands full with these boys.
Drew managed to take a video of Primo and Leon's first meeting.
Leon's first kiss from Kuya Primo was also captured.
A cute conversation between Iya and her first baby.
"So who's the new guy?"
Mommy Iya spends time with her two boys.
Kuya Primo likes to kiss Baby Leon.
Primo is practicing his big brother skills.
Primo loves little Leon.
Drew and Iya are blessed to have two adorable boys in their life.
How cute can Primo be?
Even when the Arellano boys are asleep, they still show how much they love each other.
Happy Kuya Primo enjoys playtime with little Leon.
Hugs for the little one.
Kuya Primo and Leon make the best playmates.
Primo always bursts into a hearty laugh when he does mischiefs.
Leon's chuckle is so contagious.
Leon's face when he enjoys eating
Primo loves to snack, too!
Primo is growing up to be a brother Leon can look up to.
Leon as the bunso sparks so much joy in the Arellano household.
Primo and Leon have developed a good brotherly bond at such a young age.
Primo helps his parents take care of Leon by giving his baby brother a bath.
LOOK: Primo Arellano helps Iya Villania give Baby Leon a bath
A heartwarming photo of Daddy Du and his boys
The Arellano boys are very affectionate towards their mama, too!
Primo and Leon love embraces!
The boys scream for ice cream!
Building a sandcastle, boys?
What could these two be up to?