In 2016, LEGO released 11 Disney Princess sets across 4 subthemes, all of these sets have been retired. Subthemes for that year included Beauty and the Beast, Frozen, Palace Pets, and Tangled. For that year, the total price of all retail sets cost $206, today those sets are valued around $385, a growth of 87%.
Most valuable 2016 LEGO Disney Princess set
41067 Belle's Enchanted Castle $88.55
Highest growth 2016 Disney Princess set
41065 Rapunzel's Best Day Ever +168.48%
Largest 2016 LEGO Disney Princess set
41068 Arendelle Castle Celebration 477 pieces
Most owned 2016 Disney Princess set
30397 Olaf's Summertime Fun
11 sets

30397 Olaf's Summertime Fun

Theme / Subtheme Disney Princess / Frozen
Year 2016
Pieces / Mini-doll figures 48 / 1
Availability Retired
30397 LEGO Disney Princess Frozen Olaf's Summertime Fun
promotional
Value $7.67
Annual growth 5.4%

41065 Rapunzel's Best Day Ever

Theme / Subtheme Disney Princess / Tangled
Year 2016
Pieces / Mini-doll figures 145 / 1
Availability Retired
41065 LEGO Disney Princess Tangled Rapunzel's Best Day Ever
Retail $19.99
Value $53.67
Growth  +168.5%
Annual growth 7.5%

41066 Anna & Kristoff's Sleigh Adventure

Theme / Subtheme Disney Princess / Frozen
Year 2016
Pieces / Mini-doll figures 174 / 2
Availability Retired
41066 LEGO Disney Princess Frozen Anna & Kristoff's Sleigh Adventure
Retail $29.99
Value $33.72
Growth  +12.4%
Annual growth 2.9%

41067 Belle's Enchanted Castle

Theme / Subtheme Disney Princess / Beauty and the Beast
Year 2016
Pieces 374
Availability Retired
41067 LEGO Disney Princess Beauty and the Beast Belle's Enchanted Castle
Retail $49.99
Value $88.55
Growth  +77.1%
Annual growth 6.0%

41068 Arendelle Castle Celebration

Theme / Subtheme Disney Princess / Frozen
Year 2016
Pieces / Mini-doll figures 477 / 6
Availability Retired
41068 LEGO Disney Princess Frozen Arendelle Castle Celebration
Retail $59.99
Value $76.07
Growth  +26.8%
Annual growth 2.8%

41069 Treasure's Day at the Pool

Theme / Subtheme Disney Princess / Palace Pets
Year 2016
Pieces 70
Availability Retired
41069 LEGO Disney Princess Palace Pets Treasure's Day at the Pool
Retail $5.99
Value $12.29
Growth  +105.2%
Annual growth 5.0%

41140 Daisy's Beauty Salon

Theme / Subtheme Disney Princess / Palace Pets
Year 2016
Pieces 98
Availability Retired
41140 LEGO Disney Princess Palace Pets Daisy's Beauty Salon
Retail $9.99
Value $18.91
Growth  +89.3%
Annual growth 4.9%

41141 Pumpkin's Royal Carriage

Theme / Subtheme Disney Princess / Palace Pets
Year 2016
Pieces 79
Availability Retired
41141 LEGO Disney Princess Palace Pets Pumpkin's Royal Carriage
Retail $9.99
Value $24.25
Growth  +142.7%
Annual growth 9.7%

41142 Palace Pets Royal Castle

Theme / Subtheme Disney Princess / Palace Pets
Year 2016
Pieces 186
Availability Retired
41142 LEGO Disney Princess Palace Pets Royal Castle
Retail $19.99
Value $49.20
Growth  +146.1%
Annual growth 6.8%

Cogsworth

Theme / Subtheme Disney Princess / Beauty and the Beast
Year 2016
Pieces 47
Availability Retired
LEGO Disney Princess Beauty and the Beast Cogsworth
promotional
Value $10.51
Annual growth 16.7%

Lumiere

Theme / Subtheme Disney Princess / Beauty and the Beast
Year 2016
Pieces 23
Availability Retired
LEGO Disney Princess Beauty and the Beast Lumiere
promotional
Value $9.71
Annual growth 16.3%